Home / 49,743,586.80-74,671,367.40-38,434,172.40

Finding the Fourth Proportional to 49,743,586.80, 74,671,367.40 and 38,434,172.40

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Solution

The fourth proportional to 49,743,586.80, 74,671,367.40 and 38,434,172.40 is: 57,694,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,743,586.80 : 74,671,367.40 = 38,434,172.40 : x
  2. Step 2: Convert to fraction form
    49,743,586.80/74,671,367.40 = 38,434,172.40/x
  3. Step 3: Cross multiply
    49,743,586.80x = 74,671,367.40 × 38,434,172.40
  4. Step 4: Simplify right side
    49,743,586.80x = 2,869,932,207,995,340
  5. Step 5: Solve for x
    x = 2,869,932,207,995,340/49,743,586.80
  6. Step 6: Final answer
    x = 57,694,516.87

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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.