Home / 90,851,723.20-136,277,584.80-90,851,723.20

Finding the Fourth Proportional to 90,851,723.20, 136,277,584.80 and 90,851,723.20

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Solution

The fourth proportional to 90,851,723.20, 136,277,584.80 and 90,851,723.20 is: 136,277,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,851,723.20 : 136,277,584.80 = 90,851,723.20 : x
  2. Step 2: Convert to fraction form
    90,851,723.20/136,277,584.80 = 90,851,723.20/x
  3. Step 3: Cross multiply
    90,851,723.20x = 136,277,584.80 × 90,851,723.20
  4. Step 4: Simplify right side
    90,851,723.20x = 12,381,053,412,614,128
  5. Step 5: Solve for x
    x = 12,381,053,412,614,128/90,851,723.20
  6. Step 6: Final answer
    x = 136,277,584.80

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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.