Home / 161,390,851.20-242,086,276.80-142,243,228.80

Finding the Fourth Proportional to 161,390,851.20, 242,086,276.80 and 142,243,228.80

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Solution

The fourth proportional to 161,390,851.20, 242,086,276.80 and 142,243,228.80 is: 213,364,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,390,851.20 : 242,086,276.80 = 142,243,228.80 : x
  2. Step 2: Convert to fraction form
    161,390,851.20/242,086,276.80 = 142,243,228.80/x
  3. Step 3: Cross multiply
    161,390,851.20x = 242,086,276.80 × 142,243,228.80
  4. Step 4: Simplify right side
    161,390,851.20x = 34,435,133,660,202,536
  5. Step 5: Solve for x
    x = 34,435,133,660,202,536/161,390,851.20
  6. Step 6: Final answer
    x = 213,364,843.20

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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.