Home / 47,129,343.85-70,693,306.28-21,203,336.87

Finding the Fourth Proportional to 47,129,343.85, 70,693,306.28 and 21,203,336.87

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Solution

The fourth proportional to 47,129,343.85, 70,693,306.28 and 21,203,336.87 is: 31,804,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129,343.85 : 70,693,306.28 = 21,203,336.87 : x
  2. Step 2: Convert to fraction form
    47,129,343.85/70,693,306.28 = 21,203,336.87/x
  3. Step 3: Cross multiply
    47,129,343.85x = 70,693,306.28 × 21,203,336.87
  4. Step 4: Simplify right side
    47,129,343.85x = 1,498,933,987,738,668
  5. Step 5: Solve for x
    x = 1,498,933,987,738,668/47,129,343.85
  6. Step 6: Final answer
    x = 31,804,686.11

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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.