Home / 268,281,605.40-402,422,408.10-98,146,872.60

Finding the Fourth Proportional to 268,281,605.40, 402,422,408.10 and 98,146,872.60

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Solution

The fourth proportional to 268,281,605.40, 402,422,408.10 and 98,146,872.60 is: 147,220,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,605.40 : 402,422,408.10 = 98,146,872.60 : x
  2. Step 2: Convert to fraction form
    268,281,605.40/402,422,408.10 = 98,146,872.60/x
  3. Step 3: Cross multiply
    268,281,605.40x = 402,422,408.10 × 98,146,872.60
  4. Step 4: Simplify right side
    268,281,605.40x = 39,496,500,819,175,912
  5. Step 5: Solve for x
    x = 39,496,500,819,175,912/268,281,605.40
  6. Step 6: Final answer
    x = 147,220,308.90

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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.