Home / 52,357,690.96-78,541,899.76-20,036,777.20

Finding the Fourth Proportional to 52,357,690.96, 78,541,899.76 and 20,036,777.20

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Solution

The fourth proportional to 52,357,690.96, 78,541,899.76 and 20,036,777.20 is: 30,057,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357,690.96 : 78,541,899.76 = 20,036,777.20 : x
  2. Step 2: Convert to fraction form
    52,357,690.96/78,541,899.76 = 20,036,777.20/x
  3. Step 3: Cross multiply
    52,357,690.96x = 78,541,899.76 × 20,036,777.20
  4. Step 4: Simplify right side
    52,357,690.96x = 1,573,726,546,355,853.50
  5. Step 5: Solve for x
    x = 1,573,726,546,355,853.50/52,357,690.96
  6. Step 6: Final answer
    x = 30,057,218.29

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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.