Home / 149,515,121.70-224,314,672.95-72,840,651.30

Finding the Fourth Proportional to 149,515,121.70, 224,314,672.95 and 72,840,651.30

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Solution

The fourth proportional to 149,515,121.70, 224,314,672.95 and 72,840,651.30 is: 109,281,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,515,121.70 : 224,314,672.95 = 72,840,651.30 : x
  2. Step 2: Convert to fraction form
    149,515,121.70/224,314,672.95 = 72,840,651.30/x
  3. Step 3: Cross multiply
    149,515,121.70x = 224,314,672.95 × 72,840,651.30
  4. Step 4: Simplify right side
    149,515,121.70x = 16,339,226,873,824,490
  5. Step 5: Solve for x
    x = 16,339,226,873,824,490/149,515,121.70
  6. Step 6: Final answer
    x = 109,281,433.80

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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.