Home / 198,528,337.20-297,792,505.80-147,510,001.20

Finding the Fourth Proportional to 198,528,337.20, 297,792,505.80 and 147,510,001.20

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Solution

The fourth proportional to 198,528,337.20, 297,792,505.80 and 147,510,001.20 is: 221,265,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528,337.20 : 297,792,505.80 = 147,510,001.20 : x
  2. Step 2: Convert to fraction form
    198,528,337.20/297,792,505.80 = 147,510,001.20/x
  3. Step 3: Cross multiply
    198,528,337.20x = 297,792,505.80 × 147,510,001.20
  4. Step 4: Simplify right side
    198,528,337.20x = 43,927,372,887,909,008
  5. Step 5: Solve for x
    x = 43,927,372,887,909,008/198,528,337.20
  6. Step 6: Final answer
    x = 221,265,001.80

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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.