Home / 268,802,117.70-402,919,741.35-104,976,572.10

Finding the Fourth Proportional to 268,802,117.70, 402,919,741.35 and 104,976,572.10

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Solution

The fourth proportional to 268,802,117.70, 402,919,741.35 and 104,976,572.10 is: 157,354,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,117.70 : 402,919,741.35 = 104,976,572.10 : x
  2. Step 2: Convert to fraction form
    268,802,117.70/402,919,741.35 = 104,976,572.10/x
  3. Step 3: Cross multiply
    268,802,117.70x = 402,919,741.35 × 104,976,572.10
  4. Step 4: Simplify right side
    268,802,117.70x = 42,297,133,278,341,624
  5. Step 5: Solve for x
    x = 42,297,133,278,341,624/268,802,117.70
  6. Step 6: Final answer
    x = 157,354,166.85

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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.