Home / 42,174,011.20-63,135,045.60-25,125,908.80

Finding the Fourth Proportional to 42,174,011.20, 63,135,045.60 and 25,125,908.80

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Solution

The fourth proportional to 42,174,011.20, 63,135,045.60 and 25,125,908.80 is: 37,613,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174,011.20 : 63,135,045.60 = 25,125,908.80 : x
  2. Step 2: Convert to fraction form
    42,174,011.20/63,135,045.60 = 25,125,908.80/x
  3. Step 3: Cross multiply
    42,174,011.20x = 63,135,045.60 × 25,125,908.80
  4. Step 4: Simplify right side
    42,174,011.20x = 1,586,325,397,829,441.25
  5. Step 5: Solve for x
    x = 1,586,325,397,829,441.25/42,174,011.20
  6. Step 6: Final answer
    x = 37,613,813.64

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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.