Home / 99,854,463.40-149,781,695.10-57,387,135.40

Finding the Fourth Proportional to 99,854,463.40, 149,781,695.10 and 57,387,135.40

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Solution

The fourth proportional to 99,854,463.40, 149,781,695.10 and 57,387,135.40 is: 86,080,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,463.40 : 149,781,695.10 = 57,387,135.40 : x
  2. Step 2: Convert to fraction form
    99,854,463.40/149,781,695.10 = 57,387,135.40/x
  3. Step 3: Cross multiply
    99,854,463.40x = 149,781,695.10 × 57,387,135.40
  4. Step 4: Simplify right side
    99,854,463.40x = 8,595,542,417,145,216
  5. Step 5: Solve for x
    x = 8,595,542,417,145,216/99,854,463.40
  6. Step 6: Final answer
    x = 86,080,703.10

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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.