Home / 198,153,670.60-297,230,505.90-68,718,262.60

Finding the Fourth Proportional to 198,153,670.60, 297,230,505.90 and 68,718,262.60

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Solution

The fourth proportional to 198,153,670.60, 297,230,505.90 and 68,718,262.60 is: 103,077,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,153,670.60 : 297,230,505.90 = 68,718,262.60 : x
  2. Step 2: Convert to fraction form
    198,153,670.60/297,230,505.90 = 68,718,262.60/x
  3. Step 3: Cross multiply
    198,153,670.60x = 297,230,505.90 × 68,718,262.60
  4. Step 4: Simplify right side
    198,153,670.60x = 20,425,163,957,167,044
  5. Step 5: Solve for x
    x = 20,425,163,957,167,044/198,153,670.60
  6. Step 6: Final answer
    x = 103,077,393.90

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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.