Home / 103,678,986.24-155,517,414.20-59,931,908.71

Finding the Fourth Proportional to 103,678,986.24, 155,517,414.20 and 59,931,908.71

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Solution

The fourth proportional to 103,678,986.24, 155,517,414.20 and 59,931,908.71 is: 89,897,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,986.24 : 155,517,414.20 = 59,931,908.71 : x
  2. Step 2: Convert to fraction form
    103,678,986.24/155,517,414.20 = 59,931,908.71/x
  3. Step 3: Cross multiply
    103,678,986.24x = 155,517,414.20 × 59,931,908.71
  4. Step 4: Simplify right side
    103,678,986.24x = 9,320,455,470,649,658
  5. Step 5: Solve for x
    x = 9,320,455,470,649,658/103,678,986.24
  6. Step 6: Final answer
    x = 89,897,247.35

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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.