Home / 84,248,119.20-126,386,175.60-33,131,805.60

Finding the Fourth Proportional to 84,248,119.20, 126,386,175.60 and 33,131,805.60

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Solution

The fourth proportional to 84,248,119.20, 126,386,175.60 and 33,131,805.60 is: 49,703,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,119.20 : 126,386,175.60 = 33,131,805.60 : x
  2. Step 2: Convert to fraction form
    84,248,119.20/126,386,175.60 = 33,131,805.60/x
  3. Step 3: Cross multiply
    84,248,119.20x = 126,386,175.60 × 33,131,805.60
  4. Step 4: Simplify right side
    84,248,119.20x = 4,187,402,200,506,663.50
  5. Step 5: Solve for x
    x = 4,187,402,200,506,663.50/84,248,119.20
  6. Step 6: Final answer
    x = 49,703,212.85

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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.