Home / 99,402,720.64-137,142,873.84-58,120,385.92

Finding the Fourth Proportional to 99,402,720.64, 137,142,873.84 and 58,120,385.92

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Solution

The fourth proportional to 99,402,720.64, 137,142,873.84 and 58,120,385.92 is: 80,186,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402,720.64 : 137,142,873.84 = 58,120,385.92 : x
  2. Step 2: Convert to fraction form
    99,402,720.64/137,142,873.84 = 58,120,385.92/x
  3. Step 3: Cross multiply
    99,402,720.64x = 137,142,873.84 × 58,120,385.92
  4. Step 4: Simplify right side
    99,402,720.64x = 7,970,796,753,758,673
  5. Step 5: Solve for x
    x = 7,970,796,753,758,673/99,402,720.64
  6. Step 6: Final answer
    x = 80,186,907.38

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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.