Home / 150,799,434-208,120,109.40-91,293,529.20

Finding the Fourth Proportional to 150,799,434, 208,120,109.40 and 91,293,529.20

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Solution

The fourth proportional to 150,799,434, 208,120,109.40 and 91,293,529.20 is: 125,995,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,799,434 : 208,120,109.40 = 91,293,529.20 : x
  2. Step 2: Convert to fraction form
    150,799,434/208,120,109.40 = 91,293,529.20/x
  3. Step 3: Cross multiply
    150,799,434x = 208,120,109.40 × 91,293,529.20
  4. Step 4: Simplify right side
    150,799,434x = 19,000,019,284,616,096
  5. Step 5: Solve for x
    x = 19,000,019,284,616,096/150,799,434
  6. Step 6: Final answer
    x = 125,995,295.74

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1.5x scale

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.