Home / 83,054,476.20-124,581,714.30-39,913,276.80

Finding the Fourth Proportional to 83,054,476.20, 124,581,714.30 and 39,913,276.80

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Solution

The fourth proportional to 83,054,476.20, 124,581,714.30 and 39,913,276.80 is: 59,869,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054,476.20 : 124,581,714.30 = 39,913,276.80 : x
  2. Step 2: Convert to fraction form
    83,054,476.20/124,581,714.30 = 39,913,276.80/x
  3. Step 3: Cross multiply
    83,054,476.20x = 124,581,714.30 × 39,913,276.80
  4. Step 4: Simplify right side
    83,054,476.20x = 4,972,464,447,074,418
  5. Step 5: Solve for x
    x = 4,972,464,447,074,418/83,054,476.20
  6. Step 6: Final answer
    x = 59,869,915.20

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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.