Home / 38,768,031.20-58,152,046.80-38,502,610.40

Finding the Fourth Proportional to 38,768,031.20, 58,152,046.80 and 38,502,610.40

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Solution

The fourth proportional to 38,768,031.20, 58,152,046.80 and 38,502,610.40 is: 57,753,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768,031.20 : 58,152,046.80 = 38,502,610.40 : x
  2. Step 2: Convert to fraction form
    38,768,031.20/58,152,046.80 = 38,502,610.40/x
  3. Step 3: Cross multiply
    38,768,031.20x = 58,152,046.80 × 38,502,610.40
  4. Step 4: Simplify right side
    38,768,031.20x = 2,239,005,601,902,966.50
  5. Step 5: Solve for x
    x = 2,239,005,601,902,966.50/38,768,031.20
  6. Step 6: Final answer
    x = 57,753,915.60

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Similar ratio
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1.5x scale

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.