Home / 94,787,128.20-142,180,692.30-66,065,694.60

Finding the Fourth Proportional to 94,787,128.20, 142,180,692.30 and 66,065,694.60

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Solution

The fourth proportional to 94,787,128.20, 142,180,692.30 and 66,065,694.60 is: 99,098,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787,128.20 : 142,180,692.30 = 66,065,694.60 : x
  2. Step 2: Convert to fraction form
    94,787,128.20/142,180,692.30 = 66,065,694.60/x
  3. Step 3: Cross multiply
    94,787,128.20x = 142,180,692.30 × 66,065,694.60
  4. Step 4: Simplify right side
    94,787,128.20x = 9,393,266,195,508,372
  5. Step 5: Solve for x
    x = 9,393,266,195,508,372/94,787,128.20
  6. Step 6: Final answer
    x = 99,098,541.90

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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.