Home / 199,934,348.39-299,914,681.72-52,385,521.23

Finding the Fourth Proportional to 199,934,348.39, 299,914,681.72 and 52,385,521.23

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Solution

The fourth proportional to 199,934,348.39, 299,914,681.72 and 52,385,521.23 is: 78,581,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,934,348.39 : 299,914,681.72 = 52,385,521.23 : x
  2. Step 2: Convert to fraction form
    199,934,348.39/299,914,681.72 = 52,385,521.23/x
  3. Step 3: Cross multiply
    199,934,348.39x = 299,914,681.72 × 52,385,521.23
  4. Step 4: Simplify right side
    199,934,348.39x = 15,711,186,925,372,554
  5. Step 5: Solve for x
    x = 15,711,186,925,372,554/199,934,348.39
  6. Step 6: Final answer
    x = 78,581,729.71

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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.