Home / 268,802,132.70-402,919,763.85-104,976,587.10

Finding the Fourth Proportional to 268,802,132.70, 402,919,763.85 and 104,976,587.10

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Solution

The fourth proportional to 268,802,132.70, 402,919,763.85 and 104,976,587.10 is: 157,354,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,132.70 : 402,919,763.85 = 104,976,587.10 : x
  2. Step 2: Convert to fraction form
    268,802,132.70/402,919,763.85 = 104,976,587.10/x
  3. Step 3: Cross multiply
    268,802,132.70x = 402,919,763.85 × 104,976,587.10
  4. Step 4: Simplify right side
    268,802,132.70x = 42,297,141,684,110,960
  5. Step 5: Solve for x
    x = 42,297,141,684,110,960/268,802,132.70
  6. Step 6: Final answer
    x = 157,354,189.34

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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.