Home / 51,990,357-71,748,934.67-28,785,483.97

Finding the Fourth Proportional to 51,990,357, 71,748,934.67 and 28,785,483.97

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Solution

The fourth proportional to 51,990,357, 71,748,934.67 and 28,785,483.97 is: 39,725,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,357 : 71,748,934.67 = 28,785,483.97 : x
  2. Step 2: Convert to fraction form
    51,990,357/71,748,934.67 = 28,785,483.97/x
  3. Step 3: Cross multiply
    51,990,357x = 71,748,934.67 × 28,785,483.97
  4. Step 4: Simplify right side
    51,990,357x = 2,065,327,808,807,862.25
  5. Step 5: Solve for x
    x = 2,065,327,808,807,862.25/51,990,357
  6. Step 6: Final answer
    x = 39,725,209.21

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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.