Home / 111,489,590.97-153,793,660.91-103,598,380.89

Finding the Fourth Proportional to 111,489,590.97, 153,793,660.91 and 103,598,380.89

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Solution

The fourth proportional to 111,489,590.97, 153,793,660.91 and 103,598,380.89 is: 142,908,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,489,590.97 : 153,793,660.91 = 103,598,380.89 : x
  2. Step 2: Convert to fraction form
    111,489,590.97/153,793,660.91 = 103,598,380.89/x
  3. Step 3: Cross multiply
    111,489,590.97x = 153,793,660.91 × 103,598,380.89
  4. Step 4: Simplify right side
    111,489,590.97x = 15,932,774,260,903,692
  5. Step 5: Solve for x
    x = 15,932,774,260,903,692/111,489,590.97
  6. Step 6: Final answer
    x = 142,908,177.55

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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.