Home / 66,676,513.40-100,014,770.10-28,339,278.20

Finding the Fourth Proportional to 66,676,513.40, 100,014,770.10 and 28,339,278.20

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Solution

The fourth proportional to 66,676,513.40, 100,014,770.10 and 28,339,278.20 is: 42,508,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676,513.40 : 100,014,770.10 = 28,339,278.20 : x
  2. Step 2: Convert to fraction form
    66,676,513.40/100,014,770.10 = 28,339,278.20/x
  3. Step 3: Cross multiply
    66,676,513.40x = 100,014,770.10 × 28,339,278.20
  4. Step 4: Simplify right side
    66,676,513.40x = 2,834,346,393,972,941.50
  5. Step 5: Solve for x
    x = 2,834,346,393,972,941.50/66,676,513.40
  6. Step 6: Final answer
    x = 42,508,917.30

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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.