Home / 150,799,434.50-208,120,110.09-91,293,529.70

Finding the Fourth Proportional to 150,799,434.50, 208,120,110.09 and 91,293,529.70

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Solution

The fourth proportional to 150,799,434.50, 208,120,110.09 and 91,293,529.70 is: 125,995,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,799,434.50 : 208,120,110.09 = 91,293,529.70 : x
  2. Step 2: Convert to fraction form
    150,799,434.50/208,120,110.09 = 91,293,529.70/x
  3. Step 3: Cross multiply
    150,799,434.50x = 208,120,110.09 × 91,293,529.70
  4. Step 4: Simplify right side
    150,799,434.50x = 19,000,019,451,668,684
  5. Step 5: Solve for x
    x = 19,000,019,451,668,684/150,799,434.50
  6. Step 6: Final answer
    x = 125,995,296.43

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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.