Home / 268,164,061-402,029,118.42-83,836,702.60

Finding the Fourth Proportional to 268,164,061, 402,029,118.42 and 83,836,702.60

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Solution

The fourth proportional to 268,164,061, 402,029,118.42 and 83,836,702.60 is: 125,687,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,164,061 : 402,029,118.42 = 83,836,702.60 : x
  2. Step 2: Convert to fraction form
    268,164,061/402,029,118.42 = 83,836,702.60/x
  3. Step 3: Cross multiply
    268,164,061x = 402,029,118.42 × 83,836,702.60
  4. Step 4: Simplify right side
    268,164,061x = 33,704,795,637,517,720
  5. Step 5: Solve for x
    x = 33,704,795,637,517,720/268,164,061
  6. Step 6: Final answer
    x = 125,687,221.14

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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.