Home / 45,139,613.20-62,311,734-30,475,141.52

Finding the Fourth Proportional to 45,139,613.20, 62,311,734 and 30,475,141.52

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Solution

The fourth proportional to 45,139,613.20, 62,311,734 and 30,475,141.52 is: 42,068,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,613.20 : 62,311,734 = 30,475,141.52 : x
  2. Step 2: Convert to fraction form
    45,139,613.20/62,311,734 = 30,475,141.52/x
  3. Step 3: Cross multiply
    45,139,613.20x = 62,311,734 × 30,475,141.52
  4. Step 4: Simplify right side
    45,139,613.20x = 1,898,958,912,006,595.75
  5. Step 5: Solve for x
    x = 1,898,958,912,006,595.75/45,139,613.20
  6. Step 6: Final answer
    x = 42,068,568.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.