Home / 148,139,728.22-204,503,714.07-98,662,439.90

Finding the Fourth Proportional to 148,139,728.22, 204,503,714.07 and 98,662,439.90

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Solution

The fourth proportional to 148,139,728.22, 204,503,714.07 and 98,662,439.90 is: 136,201,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,139,728.22 : 204,503,714.07 = 98,662,439.90 : x
  2. Step 2: Convert to fraction form
    148,139,728.22/204,503,714.07 = 98,662,439.90/x
  3. Step 3: Cross multiply
    148,139,728.22x = 204,503,714.07 × 98,662,439.90
  4. Step 4: Simplify right side
    148,139,728.22x = 20,176,835,398,758,160
  5. Step 5: Solve for x
    x = 20,176,835,398,758,160/148,139,728.22
  6. Step 6: Final answer
    x = 136,201,379.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.