Home / 309,625,237.80-464,518,841.31-115,538,348.16

Finding the Fourth Proportional to 309,625,237.80, 464,518,841.31 and 115,538,348.16

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Solution

The fourth proportional to 309,625,237.80, 464,518,841.31 and 115,538,348.16 is: 173,337,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,625,237.80 : 464,518,841.31 = 115,538,348.16 : x
  2. Step 2: Convert to fraction form
    309,625,237.80/464,518,841.31 = 115,538,348.16/x
  3. Step 3: Cross multiply
    309,625,237.80x = 464,518,841.31 × 115,538,348.16
  4. Step 4: Simplify right side
    309,625,237.80x = 53,669,739,614,154,568
  5. Step 5: Solve for x
    x = 53,669,739,614,154,568/309,625,237.80
  6. Step 6: Final answer
    x = 173,337,742.09

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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.