Home / 198,013,553.60-297,126,618.60-83,009,721.20

Finding the Fourth Proportional to 198,013,553.60, 297,126,618.60 and 83,009,721.20

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Solution

The fourth proportional to 198,013,553.60, 297,126,618.60 and 83,009,721.20 is: 124,559,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,013,553.60 : 297,126,618.60 = 83,009,721.20 : x
  2. Step 2: Convert to fraction form
    198,013,553.60/297,126,618.60 = 83,009,721.20/x
  3. Step 3: Cross multiply
    198,013,553.60x = 297,126,618.60 × 83,009,721.20
  4. Step 4: Simplify right side
    198,013,553.60x = 24,664,397,771,084,736
  5. Step 5: Solve for x
    x = 24,664,397,771,084,736/198,013,553.60
  6. Step 6: Final answer
    x = 124,559,139.12

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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.