Home / 103,678,999.74-155,517,434.46-59,931,922.20

Finding the Fourth Proportional to 103,678,999.74, 155,517,434.46 and 59,931,922.20

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Solution

The fourth proportional to 103,678,999.74, 155,517,434.46 and 59,931,922.20 is: 89,897,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,999.74 : 155,517,434.46 = 59,931,922.20 : x
  2. Step 2: Convert to fraction form
    103,678,999.74/155,517,434.46 = 59,931,922.20/x
  3. Step 3: Cross multiply
    103,678,999.74x = 155,517,434.46 × 59,931,922.20
  4. Step 4: Simplify right side
    103,678,999.74x = 9,320,458,782,800,320
  5. Step 5: Solve for x
    x = 9,320,458,782,800,320/103,678,999.74
  6. Step 6: Final answer
    x = 89,897,267.59

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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.