Home / 124,765,816.60-187,161,231.30-42,873,909.40

Finding the Fourth Proportional to 124,765,816.60, 187,161,231.30 and 42,873,909.40

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Solution

The fourth proportional to 124,765,816.60, 187,161,231.30 and 42,873,909.40 is: 64,315,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,816.60 : 187,161,231.30 = 42,873,909.40 : x
  2. Step 2: Convert to fraction form
    124,765,816.60/187,161,231.30 = 42,873,909.40/x
  3. Step 3: Cross multiply
    124,765,816.60x = 187,161,231.30 × 42,873,909.40
  4. Step 4: Simplify right side
    124,765,816.60x = 8,024,333,673,948,644
  5. Step 5: Solve for x
    x = 8,024,333,673,948,644/124,765,816.60
  6. Step 6: Final answer
    x = 64,315,161.74

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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.