Home / 85,282,404.20-127,818,630.30-57,988,644.20

Finding the Fourth Proportional to 85,282,404.20, 127,818,630.30 and 57,988,644.20

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Solution

The fourth proportional to 85,282,404.20, 127,818,630.30 and 57,988,644.20 is: 86,911,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282,404.20 : 127,818,630.30 = 57,988,644.20 : x
  2. Step 2: Convert to fraction form
    85,282,404.20/127,818,630.30 = 57,988,644.20/x
  3. Step 3: Cross multiply
    85,282,404.20x = 127,818,630.30 × 57,988,644.20
  4. Step 4: Simplify right side
    85,282,404.20x = 7,412,029,074,598,039
  5. Step 5: Solve for x
    x = 7,412,029,074,598,039/85,282,404.20
  6. Step 6: Final answer
    x = 86,911,586.79

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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.