Home / 136,479,708-204,719,590.08-45,603,306.72

Finding the Fourth Proportional to 136,479,708, 204,719,590.08 and 45,603,306.72

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Solution

The fourth proportional to 136,479,708, 204,719,590.08 and 45,603,306.72 is: 68,404,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,479,708 : 204,719,590.08 = 45,603,306.72 : x
  2. Step 2: Convert to fraction form
    136,479,708/204,719,590.08 = 45,603,306.72/x
  3. Step 3: Cross multiply
    136,479,708x = 204,719,590.08 × 45,603,306.72
  4. Step 4: Simplify right side
    136,479,708x = 9,335,890,258,010,910
  5. Step 5: Solve for x
    x = 9,335,890,258,010,910/136,479,708
  6. Step 6: Final answer
    x = 68,404,969.46

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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.