Home / 59,337,939.20-89,022,655.20-20,995,455.20

Finding the Fourth Proportional to 59,337,939.20, 89,022,655.20 and 20,995,455.20

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Solution

The fourth proportional to 59,337,939.20, 89,022,655.20 and 20,995,455.20 is: 31,498,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,337,939.20 : 89,022,655.20 = 20,995,455.20 : x
  2. Step 2: Convert to fraction form
    59,337,939.20/89,022,655.20 = 20,995,455.20/x
  3. Step 3: Cross multiply
    59,337,939.20x = 89,022,655.20 × 20,995,455.20
  4. Step 4: Simplify right side
    59,337,939.20x = 1,869,071,169,036,647
  5. Step 5: Solve for x
    x = 1,869,071,169,036,647/59,337,939.20
  6. Step 6: Final answer
    x = 31,498,754.33

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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.