Home / 268,902,281.60-403,353,422.40-177,069,276.80

Finding the Fourth Proportional to 268,902,281.60, 403,353,422.40 and 177,069,276.80

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Solution

The fourth proportional to 268,902,281.60, 403,353,422.40 and 177,069,276.80 is: 265,603,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902,281.60 : 403,353,422.40 = 177,069,276.80 : x
  2. Step 2: Convert to fraction form
    268,902,281.60/403,353,422.40 = 177,069,276.80/x
  3. Step 3: Cross multiply
    268,902,281.60x = 403,353,422.40 × 177,069,276.80
  4. Step 4: Simplify right side
    268,902,281.60x = 71,421,498,799,172,920
  5. Step 5: Solve for x
    x = 71,421,498,799,172,920/268,902,281.60
  6. Step 6: Final answer
    x = 265,603,915.20

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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.