Home / 81,660,766.32-112,691,796.12-44,991,337.20

Finding the Fourth Proportional to 81,660,766.32, 112,691,796.12 and 44,991,337.20

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Solution

The fourth proportional to 81,660,766.32, 112,691,796.12 and 44,991,337.20 is: 62,088,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660,766.32 : 112,691,796.12 = 44,991,337.20 : x
  2. Step 2: Convert to fraction form
    81,660,766.32/112,691,796.12 = 44,991,337.20/x
  3. Step 3: Cross multiply
    81,660,766.32x = 112,691,796.12 × 44,991,337.20
  4. Step 4: Simplify right side
    81,660,766.32x = 5,070,154,598,908,572
  5. Step 5: Solve for x
    x = 5,070,154,598,908,572/81,660,766.32
  6. Step 6: Final answer
    x = 62,088,011.51

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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.