Home / 155,423,990.90-214,503,915.94-88,459,231.43

Finding the Fourth Proportional to 155,423,990.90, 214,503,915.94 and 88,459,231.43

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Solution

The fourth proportional to 155,423,990.90, 214,503,915.94 and 88,459,231.43 is: 122,084,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,990.90 : 214,503,915.94 = 88,459,231.43 : x
  2. Step 2: Convert to fraction form
    155,423,990.90/214,503,915.94 = 88,459,231.43/x
  3. Step 3: Cross multiply
    155,423,990.90x = 214,503,915.94 × 88,459,231.43
  4. Step 4: Simplify right side
    155,423,990.90x = 18,974,851,542,384,276
  5. Step 5: Solve for x
    x = 18,974,851,542,384,276/155,423,990.90
  6. Step 6: Final answer
    x = 122,084,444.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.