Home / 103,799,555.30-155,687,523.15-27,130,333.70

Finding the Fourth Proportional to 103,799,555.30, 155,687,523.15 and 27,130,333.70

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Solution

The fourth proportional to 103,799,555.30, 155,687,523.15 and 27,130,333.70 is: 40,692,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,799,555.30 : 155,687,523.15 = 27,130,333.70 : x
  2. Step 2: Convert to fraction form
    103,799,555.30/155,687,523.15 = 27,130,333.70/x
  3. Step 3: Cross multiply
    103,799,555.30x = 155,687,523.15 × 27,130,333.70
  4. Step 4: Simplify right side
    103,799,555.30x = 4,223,854,455,985,975
  5. Step 5: Solve for x
    x = 4,223,854,455,985,975/103,799,555.30
  6. Step 6: Final answer
    x = 40,692,413.79

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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.