Home / 77,695,230.86-107,221,956.30-42,414,917.15

Finding the Fourth Proportional to 77,695,230.86, 107,221,956.30 and 42,414,917.15

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Solution

The fourth proportional to 77,695,230.86, 107,221,956.30 and 42,414,917.15 is: 58,533,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,695,230.86 : 107,221,956.30 = 42,414,917.15 : x
  2. Step 2: Convert to fraction form
    77,695,230.86/107,221,956.30 = 42,414,917.15/x
  3. Step 3: Cross multiply
    77,695,230.86x = 107,221,956.30 × 42,414,917.15
  4. Step 4: Simplify right side
    77,695,230.86x = 4,547,810,393,125,420
  5. Step 5: Solve for x
    x = 4,547,810,393,125,420/77,695,230.86
  6. Step 6: Final answer
    x = 58,533,971.04

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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.