Home / 57,468,726.80-86,203,090.20-40,250,038.40

Finding the Fourth Proportional to 57,468,726.80, 86,203,090.20 and 40,250,038.40

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Solution

The fourth proportional to 57,468,726.80, 86,203,090.20 and 40,250,038.40 is: 60,375,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468,726.80 : 86,203,090.20 = 40,250,038.40 : x
  2. Step 2: Convert to fraction form
    57,468,726.80/86,203,090.20 = 40,250,038.40/x
  3. Step 3: Cross multiply
    57,468,726.80x = 86,203,090.20 × 40,250,038.40
  4. Step 4: Simplify right side
    57,468,726.80x = 3,469,677,690,748,663.50
  5. Step 5: Solve for x
    x = 3,469,677,690,748,663.50/57,468,726.80
  6. Step 6: Final answer
    x = 60,375,057.60

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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.