Home / 80,650,752,813.70-120,976,129,220.55-21,762,744,007.30

Finding the Fourth Proportional to 80,650,752,813.70, 120,976,129,220.55 and 21,762,744,007.30

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Solution

The fourth proportional to 80,650,752,813.70, 120,976,129,220.55 and 21,762,744,007.30 is: 32,644,116,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650,752,813.70 : 120,976,129,220.55 = 21,762,744,007.30 : x
  2. Step 2: Convert to fraction form
    80,650,752,813.70/120,976,129,220.55 = 21,762,744,007.30/x
  3. Step 3: Cross multiply
    80,650,752,813.70x = 120,976,129,220.55 × 21,762,744,007.30
  4. Step 4: Simplify right side
    80,650,752,813.70x = 2,632,772,531,220,875,051,008
  5. Step 5: Solve for x
    x = 2,632,772,531,220,875,051,008/80,650,752,813.70
  6. Step 6: Final answer
    x = 32,644,116,010.95

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Double scale
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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.