Home / 161,857,515.60-242,786,273.40-144,851,403.60

Finding the Fourth Proportional to 161,857,515.60, 242,786,273.40 and 144,851,403.60

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Solution

The fourth proportional to 161,857,515.60, 242,786,273.40 and 144,851,403.60 is: 217,277,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,857,515.60 : 242,786,273.40 = 144,851,403.60 : x
  2. Step 2: Convert to fraction form
    161,857,515.60/242,786,273.40 = 144,851,403.60/x
  3. Step 3: Cross multiply
    161,857,515.60x = 242,786,273.40 × 144,851,403.60
  4. Step 4: Simplify right side
    161,857,515.60x = 35,167,932,476,803,344
  5. Step 5: Solve for x
    x = 35,167,932,476,803,344/161,857,515.60
  6. Step 6: Final answer
    x = 217,277,105.40

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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.