Home / 77,384,832.70-115,909,287.45-63,947,904.70

Finding the Fourth Proportional to 77,384,832.70, 115,909,287.45 and 63,947,904.70

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Solution

The fourth proportional to 77,384,832.70, 115,909,287.45 and 63,947,904.70 is: 95,783,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384,832.70 : 115,909,287.45 = 63,947,904.70 : x
  2. Step 2: Convert to fraction form
    77,384,832.70/115,909,287.45 = 63,947,904.70/x
  3. Step 3: Cross multiply
    77,384,832.70x = 115,909,287.45 × 63,947,904.70
  4. Step 4: Simplify right side
    77,384,832.70x = 7,412,156,067,697,507
  5. Step 5: Solve for x
    x = 7,412,156,067,697,507/77,384,832.70
  6. Step 6: Final answer
    x = 95,783,059.92

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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.