Home / 136,717,701.60-205,076,552.40-126,336,799.20

Finding the Fourth Proportional to 136,717,701.60, 205,076,552.40 and 126,336,799.20

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Solution

The fourth proportional to 136,717,701.60, 205,076,552.40 and 126,336,799.20 is: 189,505,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717,701.60 : 205,076,552.40 = 126,336,799.20 : x
  2. Step 2: Convert to fraction form
    136,717,701.60/205,076,552.40 = 126,336,799.20/x
  3. Step 3: Cross multiply
    136,717,701.60x = 205,076,552.40 × 126,336,799.20
  4. Step 4: Simplify right side
    136,717,701.60x = 25,908,715,221,187,080
  5. Step 5: Solve for x
    x = 25,908,715,221,187,080/136,717,701.60
  6. Step 6: Final answer
    x = 189,505,198.80

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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.