Home / 268,218,741.52-404,120,412.70-242,341,120.72

Finding the Fourth Proportional to 268,218,741.52, 404,120,412.70 and 242,341,120.72

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Solution

The fourth proportional to 268,218,741.52, 404,120,412.70 and 242,341,120.72 is: 365,131,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,218,741.52 : 404,120,412.70 = 242,341,120.72 : x
  2. Step 2: Convert to fraction form
    268,218,741.52/404,120,412.70 = 242,341,120.72/x
  3. Step 3: Cross multiply
    268,218,741.52x = 404,120,412.70 × 242,341,120.72
  4. Step 4: Simplify right side
    268,218,741.52x = 97,934,993,719,546,912
  5. Step 5: Solve for x
    x = 97,934,993,719,546,912/268,218,741.52
  6. Step 6: Final answer
    x = 365,131,061.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.