Home / 199,395,721.20-298,571,423.40-160,326,505.20

Finding the Fourth Proportional to 199,395,721.20, 298,571,423.40 and 160,326,505.20

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Solution

The fourth proportional to 199,395,721.20, 298,571,423.40 and 160,326,505.20 is: 240,069,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,395,721.20 : 298,571,423.40 = 160,326,505.20 : x
  2. Step 2: Convert to fraction form
    199,395,721.20/298,571,423.40 = 160,326,505.20/x
  3. Step 3: Cross multiply
    199,395,721.20x = 298,571,423.40 × 160,326,505.20
  4. Step 4: Simplify right side
    199,395,721.20x = 47,868,912,866,311,496
  5. Step 5: Solve for x
    x = 47,868,912,866,311,496/199,395,721.20
  6. Step 6: Final answer
    x = 240,069,910.12

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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.