Home / 103,678,987.74-155,517,416.46-59,931,910.20

Finding the Fourth Proportional to 103,678,987.74, 155,517,416.46 and 59,931,910.20

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Solution

The fourth proportional to 103,678,987.74, 155,517,416.46 and 59,931,910.20 is: 89,897,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,987.74 : 155,517,416.46 = 59,931,910.20 : x
  2. Step 2: Convert to fraction form
    103,678,987.74/155,517,416.46 = 59,931,910.20/x
  3. Step 3: Cross multiply
    103,678,987.74x = 155,517,416.46 × 59,931,910.20
  4. Step 4: Simplify right side
    103,678,987.74x = 9,320,455,837,816,722
  5. Step 5: Solve for x
    x = 9,320,455,837,816,722/103,678,987.74
  6. Step 6: Final answer
    x = 89,897,249.59

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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.