Home / 219,650,688.78-329,495,182.13-72,053,995.38

Finding the Fourth Proportional to 219,650,688.78, 329,495,182.13 and 72,053,995.38

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Solution

The fourth proportional to 219,650,688.78, 329,495,182.13 and 72,053,995.38 is: 108,087,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,650,688.78 : 329,495,182.13 = 72,053,995.38 : x
  2. Step 2: Convert to fraction form
    219,650,688.78/329,495,182.13 = 72,053,995.38/x
  3. Step 3: Cross multiply
    219,650,688.78x = 329,495,182.13 × 72,053,995.38
  4. Step 4: Simplify right side
    219,650,688.78x = 23,741,444,331,107,412
  5. Step 5: Solve for x
    x = 23,741,444,331,107,412/219,650,688.78
  6. Step 6: Final answer
    x = 108,087,274.68

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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.