Home / 136,080,412.80-204,120,619.20-45,204,001.80

Finding the Fourth Proportional to 136,080,412.80, 204,120,619.20 and 45,204,001.80

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Solution

The fourth proportional to 136,080,412.80, 204,120,619.20 and 45,204,001.80 is: 67,806,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,080,412.80 : 204,120,619.20 = 45,204,001.80 : x
  2. Step 2: Convert to fraction form
    136,080,412.80/204,120,619.20 = 45,204,001.80/x
  3. Step 3: Cross multiply
    136,080,412.80x = 204,120,619.20 × 45,204,001.80
  4. Step 4: Simplify right side
    136,080,412.80x = 9,227,068,837,733,914
  5. Step 5: Solve for x
    x = 9,227,068,837,733,914/136,080,412.80
  6. Step 6: Final answer
    x = 67,806,002.70

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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.