Home / 72,834,335.52-100,510,193.95-39,793,873.58

Finding the Fourth Proportional to 72,834,335.52, 100,510,193.95 and 39,793,873.58

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Solution

The fourth proportional to 72,834,335.52, 100,510,193.95 and 39,793,873.58 is: 54,914,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,335.52 : 100,510,193.95 = 39,793,873.58 : x
  2. Step 2: Convert to fraction form
    72,834,335.52/100,510,193.95 = 39,793,873.58/x
  3. Step 3: Cross multiply
    72,834,335.52x = 100,510,193.95 × 39,793,873.58
  4. Step 4: Simplify right side
    72,834,335.52x = 3,999,689,951,547,581
  5. Step 5: Solve for x
    x = 3,999,689,951,547,581/72,834,335.52
  6. Step 6: Final answer
    x = 54,914,895.88

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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.