Home / 123,739,698.90-185,609,548.35-55,715,250.90

Finding the Fourth Proportional to 123,739,698.90, 185,609,548.35 and 55,715,250.90

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Solution

The fourth proportional to 123,739,698.90, 185,609,548.35 and 55,715,250.90 is: 83,572,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739,698.90 : 185,609,548.35 = 55,715,250.90 : x
  2. Step 2: Convert to fraction form
    123,739,698.90/185,609,548.35 = 55,715,250.90/x
  3. Step 3: Cross multiply
    123,739,698.90x = 185,609,548.35 × 55,715,250.90
  4. Step 4: Simplify right side
    123,739,698.90x = 10,341,282,555,755,930
  5. Step 5: Solve for x
    x = 10,341,282,555,755,930/123,739,698.90
  6. Step 6: Final answer
    x = 83,572,876.35

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Double scale
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Similar ratio
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1.5x scale

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.