Home / 242,561,129.60-363,857,440.80-127,769,873.60

Finding the Fourth Proportional to 242,561,129.60, 363,857,440.80 and 127,769,873.60

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Solution

The fourth proportional to 242,561,129.60, 363,857,440.80 and 127,769,873.60 is: 191,663,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,561,129.60 : 363,857,440.80 = 127,769,873.60 : x
  2. Step 2: Convert to fraction form
    242,561,129.60/363,857,440.80 = 127,769,873.60/x
  3. Step 3: Cross multiply
    242,561,129.60x = 363,857,440.80 × 127,769,873.60
  4. Step 4: Simplify right side
    242,561,129.60x = 46,490,019,219,435,480
  5. Step 5: Solve for x
    x = 46,490,019,219,435,480/242,561,129.60
  6. Step 6: Final answer
    x = 191,663,104.87

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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.