Home / 52,005,986.20-78,008,979.30-26,496,818.20

Finding the Fourth Proportional to 52,005,986.20, 78,008,979.30 and 26,496,818.20

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Solution

The fourth proportional to 52,005,986.20, 78,008,979.30 and 26,496,818.20 is: 39,745,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,005,986.20 : 78,008,979.30 = 26,496,818.20 : x
  2. Step 2: Convert to fraction form
    52,005,986.20/78,008,979.30 = 26,496,818.20/x
  3. Step 3: Cross multiply
    52,005,986.20x = 78,008,979.30 × 26,496,818.20
  4. Step 4: Simplify right side
    52,005,986.20x = 2,066,989,742,479,663
  5. Step 5: Solve for x
    x = 2,066,989,742,479,663/52,005,986.20
  6. Step 6: Final answer
    x = 39,745,227.30

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Double scale
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Similar ratio
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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.