Home / 153,260,419.40-229,890,629.10-80,449,065.80

Finding the Fourth Proportional to 153,260,419.40, 229,890,629.10 and 80,449,065.80

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Solution

The fourth proportional to 153,260,419.40, 229,890,629.10 and 80,449,065.80 is: 120,673,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,260,419.40 : 229,890,629.10 = 80,449,065.80 : x
  2. Step 2: Convert to fraction form
    153,260,419.40/229,890,629.10 = 80,449,065.80/x
  3. Step 3: Cross multiply
    153,260,419.40x = 229,890,629.10 × 80,449,065.80
  4. Step 4: Simplify right side
    153,260,419.40x = 18,494,486,347,269,292
  5. Step 5: Solve for x
    x = 18,494,486,347,269,292/153,260,419.40
  6. Step 6: Final answer
    x = 120,673,598.70

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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.