Home / 142,954,639.29-214,522,655.04-61,074,134.46

Finding the Fourth Proportional to 142,954,639.29, 214,522,655.04 and 61,074,134.46

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Solution

The fourth proportional to 142,954,639.29, 214,522,655.04 and 61,074,134.46 is: 91,649,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954,639.29 : 214,522,655.04 = 61,074,134.46 : x
  2. Step 2: Convert to fraction form
    142,954,639.29/214,522,655.04 = 61,074,134.46/x
  3. Step 3: Cross multiply
    142,954,639.29x = 214,522,655.04 × 61,074,134.46
  4. Step 4: Simplify right side
    142,954,639.29x = 13,101,785,478,629,156
  5. Step 5: Solve for x
    x = 13,101,785,478,629,156/142,954,639.29
  6. Step 6: Final answer
    x = 91,649,949.55

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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.