Home / 124,810,819.39-187,241,763.56-42,919,062.07

Finding the Fourth Proportional to 124,810,819.39, 187,241,763.56 and 42,919,062.07

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Solution

The fourth proportional to 124,810,819.39, 187,241,763.56 and 42,919,062.07 is: 64,387,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810,819.39 : 187,241,763.56 = 42,919,062.07 : x
  2. Step 2: Convert to fraction form
    124,810,819.39/187,241,763.56 = 42,919,062.07/x
  3. Step 3: Cross multiply
    124,810,819.39x = 187,241,763.56 × 42,919,062.07
  4. Step 4: Simplify right side
    124,810,819.39x = 8,036,240,872,327,904
  5. Step 5: Solve for x
    x = 8,036,240,872,327,904/124,810,819.39
  6. Step 6: Final answer
    x = 64,387,373.72

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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.