Home / 268,367,079.90-402,550,619.85-115,028,636.70

Finding the Fourth Proportional to 268,367,079.90, 402,550,619.85 and 115,028,636.70

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Solution

The fourth proportional to 268,367,079.90, 402,550,619.85 and 115,028,636.70 is: 172,542,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,367,079.90 : 402,550,619.85 = 115,028,636.70 : x
  2. Step 2: Convert to fraction form
    268,367,079.90/402,550,619.85 = 115,028,636.70/x
  3. Step 3: Cross multiply
    268,367,079.90x = 402,550,619.85 × 115,028,636.70
  4. Step 4: Simplify right side
    268,367,079.90x = 46,304,849,004,085,464
  5. Step 5: Solve for x
    x = 46,304,849,004,085,464/268,367,079.90
  6. Step 6: Final answer
    x = 172,542,955.05

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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.