Home / 60,478,179.12-90,692,045.28-18,968,360.76

Finding the Fourth Proportional to 60,478,179.12, 90,692,045.28 and 18,968,360.76

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Solution

The fourth proportional to 60,478,179.12, 90,692,045.28 and 18,968,360.76 is: 28,444,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478,179.12 : 90,692,045.28 = 18,968,360.76 : x
  2. Step 2: Convert to fraction form
    60,478,179.12/90,692,045.28 = 18,968,360.76/x
  3. Step 3: Cross multiply
    60,478,179.12x = 90,692,045.28 × 18,968,360.76
  4. Step 4: Simplify right side
    60,478,179.12x = 1,720,279,432,933,295.50
  5. Step 5: Solve for x
    x = 1,720,279,432,933,295.50/60,478,179.12
  6. Step 6: Final answer
    x = 28,444,630.08

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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.