Home / 81,541,518.89-122,312,244.30-29,730,001.73

Finding the Fourth Proportional to 81,541,518.89, 122,312,244.30 and 29,730,001.73

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Solution

The fourth proportional to 81,541,518.89, 122,312,244.30 and 29,730,001.73 is: 44,594,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541,518.89 : 122,312,244.30 = 29,730,001.73 : x
  2. Step 2: Convert to fraction form
    81,541,518.89/122,312,244.30 = 29,730,001.73/x
  3. Step 3: Cross multiply
    81,541,518.89x = 122,312,244.30 × 29,730,001.73
  4. Step 4: Simplify right side
    81,541,518.89x = 3,636,343,234,027,621.50
  5. Step 5: Solve for x
    x = 3,636,343,234,027,621.50/81,541,518.89
  6. Step 6: Final answer
    x = 44,594,990.18

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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.