Home / 80,876,853.15-121,315,279.73-23,371,000.35

Finding the Fourth Proportional to 80,876,853.15, 121,315,279.73 and 23,371,000.35

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Solution

The fourth proportional to 80,876,853.15, 121,315,279.73 and 23,371,000.35 is: 35,056,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,853.15 : 121,315,279.73 = 23,371,000.35 : x
  2. Step 2: Convert to fraction form
    80,876,853.15/121,315,279.73 = 23,371,000.35/x
  3. Step 3: Cross multiply
    80,876,853.15x = 121,315,279.73 × 23,371,000.35
  4. Step 4: Simplify right side
    80,876,853.15x = 2,835,259,444,913,323
  5. Step 5: Solve for x
    x = 2,835,259,444,913,323/80,876,853.15
  6. Step 6: Final answer
    x = 35,056,500.53

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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.