Home / 170,041,806.20-254,684,795.70-139,808,718.20

Finding the Fourth Proportional to 170,041,806.20, 254,684,795.70 and 139,808,718.20

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Solution

The fourth proportional to 170,041,806.20, 254,684,795.70 and 139,808,718.20 is: 209,402,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,041,806.20 : 254,684,795.70 = 139,808,718.20 : x
  2. Step 2: Convert to fraction form
    170,041,806.20/254,684,795.70 = 139,808,718.20/x
  3. Step 3: Cross multiply
    170,041,806.20x = 254,684,795.70 × 139,808,718.20
  4. Step 4: Simplify right side
    170,041,806.20x = 35,607,154,831,845,868
  5. Step 5: Solve for x
    x = 35,607,154,831,845,868/170,041,806.20
  6. Step 6: Final answer
    x = 209,402,355.97

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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.