Home / 72,246,577.75-99,700,538.31-39,206,819.70

Finding the Fourth Proportional to 72,246,577.75, 99,700,538.31 and 39,206,819.70

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Solution

The fourth proportional to 72,246,577.75, 99,700,538.31 and 39,206,819.70 is: 54,105,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246,577.75 : 99,700,538.31 = 39,206,819.70 : x
  2. Step 2: Convert to fraction form
    72,246,577.75/99,700,538.31 = 39,206,819.70/x
  3. Step 3: Cross multiply
    72,246,577.75x = 99,700,538.31 × 39,206,819.70
  4. Step 4: Simplify right side
    72,246,577.75x = 3,908,941,029,513,113
  5. Step 5: Solve for x
    x = 3,908,941,029,513,113/72,246,577.75
  6. Step 6: Final answer
    x = 54,105,552.84

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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.