Home / 81,661,279.20-112,692,513.96-44,991,849.84

Finding the Fourth Proportional to 81,661,279.20, 112,692,513.96 and 44,991,849.84

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Solution

The fourth proportional to 81,661,279.20, 112,692,513.96 and 44,991,849.84 is: 62,088,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,279.20 : 112,692,513.96 = 44,991,849.84 : x
  2. Step 2: Convert to fraction form
    81,661,279.20/112,692,513.96 = 44,991,849.84/x
  3. Step 3: Cross multiply
    81,661,279.20x = 112,692,513.96 × 44,991,849.84
  4. Step 4: Simplify right side
    81,661,279.20x = 5,070,244,666,180,424
  5. Step 5: Solve for x
    x = 5,070,244,666,180,424/81,661,279.20
  6. Step 6: Final answer
    x = 62,088,724.50

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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.