Home / 89,827,013.80-134,488,578.30-87,307,589.80

Finding the Fourth Proportional to 89,827,013.80, 134,488,578.30 and 87,307,589.80

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Solution

The fourth proportional to 89,827,013.80, 134,488,578.30 and 87,307,589.80 is: 130,716,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827,013.80 : 134,488,578.30 = 87,307,589.80 : x
  2. Step 2: Convert to fraction form
    89,827,013.80/134,488,578.30 = 87,307,589.80/x
  3. Step 3: Cross multiply
    89,827,013.80x = 134,488,578.30 × 87,307,589.80
  4. Step 4: Simplify right side
    89,827,013.80x = 11,741,873,627,001,582
  5. Step 5: Solve for x
    x = 11,741,873,627,001,582/89,827,013.80
  6. Step 6: Final answer
    x = 130,716,508.66

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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.