Home / 60,478,129.71-90,691,971.08-18,968,311.17

Finding the Fourth Proportional to 60,478,129.71, 90,691,971.08 and 18,968,311.17

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Solution

The fourth proportional to 60,478,129.71, 90,691,971.08 and 18,968,311.17 is: 28,444,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478,129.71 : 90,691,971.08 = 18,968,311.17 : x
  2. Step 2: Convert to fraction form
    60,478,129.71/90,691,971.08 = 18,968,311.17/x
  3. Step 3: Cross multiply
    60,478,129.71x = 90,691,971.08 × 18,968,311.17
  4. Step 4: Simplify right side
    60,478,129.71x = 1,720,273,527,971,239.75
  5. Step 5: Solve for x
    x = 1,720,273,527,971,239.75/60,478,129.71
  6. Step 6: Final answer
    x = 28,444,555.68

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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.