Home / 72,046,780.74-99,423,370.54-39,006,765.72

Finding the Fourth Proportional to 72,046,780.74, 99,423,370.54 and 39,006,765.72

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Solution

The fourth proportional to 72,046,780.74, 99,423,370.54 and 39,006,765.72 is: 53,828,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,780.74 : 99,423,370.54 = 39,006,765.72 : x
  2. Step 2: Convert to fraction form
    72,046,780.74/99,423,370.54 = 39,006,765.72/x
  3. Step 3: Cross multiply
    72,046,780.74x = 99,423,370.54 × 39,006,765.72
  4. Step 4: Simplify right side
    72,046,780.74x = 3,878,184,121,746,530
  5. Step 5: Solve for x
    x = 3,878,184,121,746,530/72,046,780.74
  6. Step 6: Final answer
    x = 53,828,694.11

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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.