Home / 103,831,512.76-155,735,371.86-27,161,941.24

Finding the Fourth Proportional to 103,831,512.76, 155,735,371.86 and 27,161,941.24

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Solution

The fourth proportional to 103,831,512.76, 155,735,371.86 and 27,161,941.24 is: 40,739,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,831,512.76 : 155,735,371.86 = 27,161,941.24 : x
  2. Step 2: Convert to fraction form
    103,831,512.76/155,735,371.86 = 27,161,941.24/x
  3. Step 3: Cross multiply
    103,831,512.76x = 155,735,371.86 × 27,161,941.24
  4. Step 4: Simplify right side
    103,831,512.76x = 4,230,075,019,450,869.50
  5. Step 5: Solve for x
    x = 4,230,075,019,450,869.50/103,831,512.76
  6. Step 6: Final answer
    x = 40,739,799.58

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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.