Home / 195,717,649.20-293,670,952.20-138,085,825.20

Finding the Fourth Proportional to 195,717,649.20, 293,670,952.20 and 138,085,825.20

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Solution

The fourth proportional to 195,717,649.20, 293,670,952.20 and 138,085,825.20 is: 207,195,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,717,649.20 : 293,670,952.20 = 138,085,825.20 : x
  2. Step 2: Convert to fraction form
    195,717,649.20/293,670,952.20 = 138,085,825.20/x
  3. Step 3: Cross multiply
    195,717,649.20x = 293,670,952.20 × 138,085,825.20
  4. Step 4: Simplify right side
    195,717,649.20x = 40,551,795,771,806,752
  5. Step 5: Solve for x
    x = 40,551,795,771,806,752/195,717,649.20
  6. Step 6: Final answer
    x = 207,195,395.70

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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.