Home / 80,676,000.80-121,014,001.20-26,088,480.80

Finding the Fourth Proportional to 80,676,000.80, 121,014,001.20 and 26,088,480.80

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Solution

The fourth proportional to 80,676,000.80, 121,014,001.20 and 26,088,480.80 is: 39,132,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,676,000.80 : 121,014,001.20 = 26,088,480.80 : x
  2. Step 2: Convert to fraction form
    80,676,000.80/121,014,001.20 = 26,088,480.80/x
  3. Step 3: Cross multiply
    80,676,000.80x = 121,014,001.20 × 26,088,480.80
  4. Step 4: Simplify right side
    80,676,000.80x = 3,157,071,446,837,377
  5. Step 5: Solve for x
    x = 3,157,071,446,837,377/80,676,000.80
  6. Step 6: Final answer
    x = 39,132,721.20

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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.