Home / 77,543,232.05-107,007,817.06-42,262,151.15

Finding the Fourth Proportional to 77,543,232.05, 107,007,817.06 and 42,262,151.15

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Solution

The fourth proportional to 77,543,232.05, 107,007,817.06 and 42,262,151.15 is: 58,320,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,543,232.05 : 107,007,817.06 = 42,262,151.15 : x
  2. Step 2: Convert to fraction form
    77,543,232.05/107,007,817.06 = 42,262,151.15/x
  3. Step 3: Cross multiply
    77,543,232.05x = 107,007,817.06 × 42,262,151.15
  4. Step 4: Simplify right side
    77,543,232.05x = 4,522,380,539,141,616
  5. Step 5: Solve for x
    x = 4,522,380,539,141,616/77,543,232.05
  6. Step 6: Final answer
    x = 58,320,764.04

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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.