Home / 87,744,479.07-121,213,508.62-70,080,189.88

Finding the Fourth Proportional to 87,744,479.07, 121,213,508.62 and 70,080,189.88

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Solution

The fourth proportional to 87,744,479.07, 121,213,508.62 and 70,080,189.88 is: 96,811,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744,479.07 : 121,213,508.62 = 70,080,189.88 : x
  2. Step 2: Convert to fraction form
    87,744,479.07/121,213,508.62 = 70,080,189.88/x
  3. Step 3: Cross multiply
    87,744,479.07x = 121,213,508.62 × 70,080,189.88
  4. Step 4: Simplify right side
    87,744,479.07x = 8,494,665,699,991,408
  5. Step 5: Solve for x
    x = 8,494,665,699,991,408/87,744,479.07
  6. Step 6: Final answer
    x = 96,811,398.16

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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.