Home / 61,784,110.80-92,676,166.20-21,381,166.80

Finding the Fourth Proportional to 61,784,110.80, 92,676,166.20 and 21,381,166.80

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Solution

The fourth proportional to 61,784,110.80, 92,676,166.20 and 21,381,166.80 is: 32,071,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784,110.80 : 92,676,166.20 = 21,381,166.80 : x
  2. Step 2: Convert to fraction form
    61,784,110.80/92,676,166.20 = 21,381,166.80/x
  3. Step 3: Cross multiply
    61,784,110.80x = 92,676,166.20 × 21,381,166.80
  4. Step 4: Simplify right side
    61,784,110.80x = 1,981,524,567,906,722.25
  5. Step 5: Solve for x
    x = 1,981,524,567,906,722.25/61,784,110.80
  6. Step 6: Final answer
    x = 32,071,750.20

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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.