Home / 77,831,136-116,746,709.76-21,097,440

Finding the Fourth Proportional to 77,831,136, 116,746,709.76 and 21,097,440

Calculator

Solution

The fourth proportional to 77,831,136, 116,746,709.76 and 21,097,440 is: 31,646,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831,136 : 116,746,709.76 = 21,097,440 : x
  2. Step 2: Convert to fraction form
    77,831,136/116,746,709.76 = 21,097,440/x
  3. Step 3: Cross multiply
    77,831,136x = 116,746,709.76 × 21,097,440
  4. Step 4: Simplify right side
    77,831,136x = 2,463,056,704,359,014.50
  5. Step 5: Solve for x
    x = 2,463,056,704,359,014.50/77,831,136
  6. Step 6: Final answer
    x = 31,646,161.56

Related Problems

Find fourth proportional to 38,915,568, 58,373,354.88 and 10,548,720
Half scale
Find fourth proportional to 155,662,272, 233,493,419.52 and 42,194,880
Double scale
Find fourth proportional to 77,831,137, 116,746,711.26 and 21,097,441
Similar ratio
Find fourth proportional to 116,746,704, 175,120,064.64 and 31,646,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.