Home / 66,767,568.20-100,151,352.30-49,548,879.80

Finding the Fourth Proportional to 66,767,568.20, 100,151,352.30 and 49,548,879.80

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Solution

The fourth proportional to 66,767,568.20, 100,151,352.30 and 49,548,879.80 is: 74,323,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767,568.20 : 100,151,352.30 = 49,548,879.80 : x
  2. Step 2: Convert to fraction form
    66,767,568.20/100,151,352.30 = 49,548,879.80/x
  3. Step 3: Cross multiply
    66,767,568.20x = 100,151,352.30 × 49,548,879.80
  4. Step 4: Simplify right side
    66,767,568.20x = 4,962,387,316,920,153
  5. Step 5: Solve for x
    x = 4,962,387,316,920,153/66,767,568.20
  6. Step 6: Final answer
    x = 74,323,319.70

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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.