Home / 42,724,175.20-64,136,029.20-25,704,066.40

Finding the Fourth Proportional to 42,724,175.20, 64,136,029.20 and 25,704,066.40

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Solution

The fourth proportional to 42,724,175.20, 64,136,029.20 and 25,704,066.40 is: 38,586,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724,175.20 : 64,136,029.20 = 25,704,066.40 : x
  2. Step 2: Convert to fraction form
    42,724,175.20/64,136,029.20 = 25,704,066.40/x
  3. Step 3: Cross multiply
    42,724,175.20x = 64,136,029.20 × 25,704,066.40
  4. Step 4: Simplify right side
    42,724,175.20x = 1,648,556,753,189,138.75
  5. Step 5: Solve for x
    x = 1,648,556,753,189,138.75/42,724,175.20
  6. Step 6: Final answer
    x = 38,586,040.47

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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.