Home / 161,819,386.20-242,729,079.30-159,132,000.60

Finding the Fourth Proportional to 161,819,386.20, 242,729,079.30 and 159,132,000.60

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Solution

The fourth proportional to 161,819,386.20, 242,729,079.30 and 159,132,000.60 is: 238,698,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,819,386.20 : 242,729,079.30 = 159,132,000.60 : x
  2. Step 2: Convert to fraction form
    161,819,386.20/242,729,079.30 = 159,132,000.60/x
  3. Step 3: Cross multiply
    161,819,386.20x = 242,729,079.30 × 159,132,000.60
  4. Step 4: Simplify right side
    161,819,386.20x = 38,625,963,992,805,048
  5. Step 5: Solve for x
    x = 38,625,963,992,805,048/161,819,386.20
  6. Step 6: Final answer
    x = 238,698,000.90

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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.