Home / 218,376,167.60-327,564,251.40-201,747,969.20

Finding the Fourth Proportional to 218,376,167.60, 327,564,251.40 and 201,747,969.20

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Solution

The fourth proportional to 218,376,167.60, 327,564,251.40 and 201,747,969.20 is: 302,621,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,376,167.60 : 327,564,251.40 = 201,747,969.20 : x
  2. Step 2: Convert to fraction form
    218,376,167.60/327,564,251.40 = 201,747,969.20/x
  3. Step 3: Cross multiply
    218,376,167.60x = 327,564,251.40 × 201,747,969.20
  4. Step 4: Simplify right side
    218,376,167.60x = 66,085,422,502,468,248
  5. Step 5: Solve for x
    x = 66,085,422,502,468,248/218,376,167.60
  6. Step 6: Final answer
    x = 302,621,953.80

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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.