Home / 42,266,077.40-63,399,116.10-15,336,234.20

Finding the Fourth Proportional to 42,266,077.40, 63,399,116.10 and 15,336,234.20

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Solution

The fourth proportional to 42,266,077.40, 63,399,116.10 and 15,336,234.20 is: 23,004,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,266,077.40 : 63,399,116.10 = 15,336,234.20 : x
  2. Step 2: Convert to fraction form
    42,266,077.40/63,399,116.10 = 15,336,234.20/x
  3. Step 3: Cross multiply
    42,266,077.40x = 63,399,116.10 × 15,336,234.20
  4. Step 4: Simplify right side
    42,266,077.40x = 972,303,692,582,590.62
  5. Step 5: Solve for x
    x = 972,303,692,582,590.62/42,266,077.40
  6. Step 6: Final answer
    x = 23,004,351.30

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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.