Home / 43,123,307.10-64,684,960.65-28,699,604.70

Finding the Fourth Proportional to 43,123,307.10, 64,684,960.65 and 28,699,604.70

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Solution

The fourth proportional to 43,123,307.10, 64,684,960.65 and 28,699,604.70 is: 43,049,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123,307.10 : 64,684,960.65 = 28,699,604.70 : x
  2. Step 2: Convert to fraction form
    43,123,307.10/64,684,960.65 = 28,699,604.70/x
  3. Step 3: Cross multiply
    43,123,307.10x = 64,684,960.65 × 28,699,604.70
  4. Step 4: Simplify right side
    43,123,307.10x = 1,856,432,800,690,055
  5. Step 5: Solve for x
    x = 1,856,432,800,690,055/43,123,307.10
  6. Step 6: Final answer
    x = 43,049,407.05

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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.