Home / 158,976,005.10-238,464,007.65-45,508,613.10

Finding the Fourth Proportional to 158,976,005.10, 238,464,007.65 and 45,508,613.10

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Solution

The fourth proportional to 158,976,005.10, 238,464,007.65 and 45,508,613.10 is: 68,262,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,005.10 : 238,464,007.65 = 45,508,613.10 : x
  2. Step 2: Convert to fraction form
    158,976,005.10/238,464,007.65 = 45,508,613.10/x
  3. Step 3: Cross multiply
    158,976,005.10x = 238,464,007.65 × 45,508,613.10
  4. Step 4: Simplify right side
    158,976,005.10x = 10,852,166,262,419,290
  5. Step 5: Solve for x
    x = 10,852,166,262,419,290/158,976,005.10
  6. Step 6: Final answer
    x = 68,262,919.65

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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.