Home / 66,676,531.90-100,014,797.85-28,339,296.70

Finding the Fourth Proportional to 66,676,531.90, 100,014,797.85 and 28,339,296.70

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Solution

The fourth proportional to 66,676,531.90, 100,014,797.85 and 28,339,296.70 is: 42,508,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676,531.90 : 100,014,797.85 = 28,339,296.70 : x
  2. Step 2: Convert to fraction form
    66,676,531.90/100,014,797.85 = 28,339,296.70/x
  3. Step 3: Cross multiply
    66,676,531.90x = 100,014,797.85 × 28,339,296.70
  4. Step 4: Simplify right side
    66,676,531.90x = 2,834,349,030,661,672
  5. Step 5: Solve for x
    x = 2,834,349,030,661,672/66,676,531.90
  6. Step 6: Final answer
    x = 42,508,945.05

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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.