Home / 255,665,677.20-352,820,191.68-138,190,709.76

Finding the Fourth Proportional to 255,665,677.20, 352,820,191.68 and 138,190,709.76

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Solution

The fourth proportional to 255,665,677.20, 352,820,191.68 and 138,190,709.76 is: 190,704,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,665,677.20 : 352,820,191.68 = 138,190,709.76 : x
  2. Step 2: Convert to fraction form
    255,665,677.20/352,820,191.68 = 138,190,709.76/x
  3. Step 3: Cross multiply
    255,665,677.20x = 352,820,191.68 × 138,190,709.76
  4. Step 4: Simplify right side
    255,665,677.20x = 48,756,472,705,918,448
  5. Step 5: Solve for x
    x = 48,756,472,705,918,448/255,665,677.20
  6. Step 6: Final answer
    x = 190,704,021.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.