Home / 265,743,690.80-398,671,523.40-112,310,769.20

Finding the Fourth Proportional to 265,743,690.80, 398,671,523.40 and 112,310,769.20

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Solution

The fourth proportional to 265,743,690.80, 398,671,523.40 and 112,310,769.20 is: 168,489,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,743,690.80 : 398,671,523.40 = 112,310,769.20 : x
  2. Step 2: Convert to fraction form
    265,743,690.80/398,671,523.40 = 112,310,769.20/x
  3. Step 3: Cross multiply
    265,743,690.80x = 398,671,523.40 × 112,310,769.20
  4. Step 4: Simplify right side
    265,743,690.80x = 44,775,105,451,189,800
  5. Step 5: Solve for x
    x = 44,775,105,451,189,800/265,743,690.80
  6. Step 6: Final answer
    x = 168,489,815.57

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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.