Home / 84,745,216.80-127,156,919.76-38,701,200.96

Finding the Fourth Proportional to 84,745,216.80, 127,156,919.76 and 38,701,200.96

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Solution

The fourth proportional to 84,745,216.80, 127,156,919.76 and 38,701,200.96 is: 58,069,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,216.80 : 127,156,919.76 = 38,701,200.96 : x
  2. Step 2: Convert to fraction form
    84,745,216.80/127,156,919.76 = 38,701,200.96/x
  3. Step 3: Cross multiply
    84,745,216.80x = 127,156,919.76 × 38,701,200.96
  4. Step 4: Simplify right side
    84,745,216.80x = 4,921,125,505,086,355
  5. Step 5: Solve for x
    x = 4,921,125,505,086,355/84,745,216.80
  6. Step 6: Final answer
    x = 58,069,655.03

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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.