Home / 257,156,127.71-354,904,895.76-144,156,139.70

Finding the Fourth Proportional to 257,156,127.71, 354,904,895.76 and 144,156,139.70

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Solution

The fourth proportional to 257,156,127.71, 354,904,895.76 and 144,156,139.70 is: 198,951,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,156,127.71 : 354,904,895.76 = 144,156,139.70 : x
  2. Step 2: Convert to fraction form
    257,156,127.71/354,904,895.76 = 144,156,139.70/x
  3. Step 3: Cross multiply
    257,156,127.71x = 354,904,895.76 × 144,156,139.70
  4. Step 4: Simplify right side
    257,156,127.71x = 51,161,719,733,392,496
  5. Step 5: Solve for x
    x = 51,161,719,733,392,496/257,156,127.71
  6. Step 6: Final answer
    x = 198,951,975.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.