Home / 81,541,518.39-122,312,243.56-29,730,001.23

Finding the Fourth Proportional to 81,541,518.39, 122,312,243.56 and 29,730,001.23

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Solution

The fourth proportional to 81,541,518.39, 122,312,243.56 and 29,730,001.23 is: 44,594,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,541,518.39 : 122,312,243.56 = 29,730,001.23 : x
  2. Step 2: Convert to fraction form
    81,541,518.39/122,312,243.56 = 29,730,001.23/x
  3. Step 3: Cross multiply
    81,541,518.39x = 122,312,243.56 × 29,730,001.23
  4. Step 4: Simplify right side
    81,541,518.39x = 3,636,343,151,482,859.50
  5. Step 5: Solve for x
    x = 3,636,343,151,482,859.50/81,541,518.39
  6. Step 6: Final answer
    x = 44,594,989.44

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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.