Home / 81,795,853.15-112,874,335.72-44,623,921.92

Finding the Fourth Proportional to 81,795,853.15, 112,874,335.72 and 44,623,921.92

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Solution

The fourth proportional to 81,795,853.15, 112,874,335.72 and 44,623,921.92 is: 61,578,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,795,853.15 : 112,874,335.72 = 44,623,921.92 : x
  2. Step 2: Convert to fraction form
    81,795,853.15/112,874,335.72 = 44,623,921.92/x
  3. Step 3: Cross multiply
    81,795,853.15x = 112,874,335.72 × 44,623,921.92
  4. Step 4: Simplify right side
    81,795,853.15x = 5,036,895,543,406,308
  5. Step 5: Solve for x
    x = 5,036,895,543,406,308/81,795,853.15
  6. Step 6: Final answer
    x = 61,578,861.88

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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.