Home / 268,100,902.80-402,151,370.40-86,348,080.80

Finding the Fourth Proportional to 268,100,902.80, 402,151,370.40 and 86,348,080.80

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Solution

The fourth proportional to 268,100,902.80, 402,151,370.40 and 86,348,080.80 is: 129,522,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,902.80 : 402,151,370.40 = 86,348,080.80 : x
  2. Step 2: Convert to fraction form
    268,100,902.80/402,151,370.40 = 86,348,080.80/x
  3. Step 3: Cross multiply
    268,100,902.80x = 402,151,370.40 × 86,348,080.80
  4. Step 4: Simplify right side
    268,100,902.80x = 34,724,999,025,129,924
  5. Step 5: Solve for x
    x = 34,724,999,025,129,924/268,100,902.80
  6. Step 6: Final answer
    x = 129,522,126.42

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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.