Home / 268,281,612.40-402,422,418.60-98,146,879.60

Finding the Fourth Proportional to 268,281,612.40, 402,422,418.60 and 98,146,879.60

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Solution

The fourth proportional to 268,281,612.40, 402,422,418.60 and 98,146,879.60 is: 147,220,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,612.40 : 402,422,418.60 = 98,146,879.60 : x
  2. Step 2: Convert to fraction form
    268,281,612.40/402,422,418.60 = 98,146,879.60/x
  3. Step 3: Cross multiply
    268,281,612.40x = 402,422,418.60 × 98,146,879.60
  4. Step 4: Simplify right side
    268,281,612.40x = 39,496,504,666,675,000
  5. Step 5: Solve for x
    x = 39,496,504,666,675,000/268,281,612.40
  6. Step 6: Final answer
    x = 147,220,319.40

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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.