Home / 131,752,739.17-197,670,410.86-79,287,657.11

Finding the Fourth Proportional to 131,752,739.17, 197,670,410.86 and 79,287,657.11

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Solution

The fourth proportional to 131,752,739.17, 197,670,410.86 and 79,287,657.11 is: 118,956,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752,739.17 : 197,670,410.86 = 79,287,657.11 : x
  2. Step 2: Convert to fraction form
    131,752,739.17/197,670,410.86 = 79,287,657.11/x
  3. Step 3: Cross multiply
    131,752,739.17x = 197,670,410.86 × 79,287,657.11
  4. Step 4: Simplify right side
    131,752,739.17x = 15,672,823,757,060,502
  5. Step 5: Solve for x
    x = 15,672,823,757,060,502/131,752,739.17
  6. Step 6: Final answer
    x = 118,956,340.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.