Home / 66,676,518.90-100,014,778.35-28,339,283.70

Finding the Fourth Proportional to 66,676,518.90, 100,014,778.35 and 28,339,283.70

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Solution

The fourth proportional to 66,676,518.90, 100,014,778.35 and 28,339,283.70 is: 42,508,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676,518.90 : 100,014,778.35 = 28,339,283.70 : x
  2. Step 2: Convert to fraction form
    66,676,518.90/100,014,778.35 = 28,339,283.70/x
  3. Step 3: Cross multiply
    66,676,518.90x = 100,014,778.35 × 28,339,283.70
  4. Step 4: Simplify right side
    66,676,518.90x = 2,834,347,177,853,267.50
  5. Step 5: Solve for x
    x = 2,834,347,177,853,267.50/66,676,518.90
  6. Step 6: Final answer
    x = 42,508,925.55

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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.