Home / 51,949,170.09-71,689,938.71-28,745,275.05

Finding the Fourth Proportional to 51,949,170.09, 71,689,938.71 and 28,745,275.05

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Solution

The fourth proportional to 51,949,170.09, 71,689,938.71 and 28,745,275.05 is: 39,668,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949,170.09 : 71,689,938.71 = 28,745,275.05 : x
  2. Step 2: Convert to fraction form
    51,949,170.09/71,689,938.71 = 28,745,275.05/x
  3. Step 3: Cross multiply
    51,949,170.09x = 71,689,938.71 × 28,745,275.05
  4. Step 4: Simplify right side
    51,949,170.09x = 2,060,747,006,392,865.75
  5. Step 5: Solve for x
    x = 2,060,747,006,392,865.75/51,949,170.09
  6. Step 6: Final answer
    x = 39,668,526.04

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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.