Home / 209,952,207.20-314,928,310.80-175,939,983.20

Finding the Fourth Proportional to 209,952,207.20, 314,928,310.80 and 175,939,983.20

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Solution

The fourth proportional to 209,952,207.20, 314,928,310.80 and 175,939,983.20 is: 263,909,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,207.20 : 314,928,310.80 = 175,939,983.20 : x
  2. Step 2: Convert to fraction form
    209,952,207.20/314,928,310.80 = 175,939,983.20/x
  3. Step 3: Cross multiply
    209,952,207.20x = 314,928,310.80 × 175,939,983.20
  4. Step 4: Simplify right side
    209,952,207.20x = 55,408,481,711,356,376
  5. Step 5: Solve for x
    x = 55,408,481,711,356,376/209,952,207.20
  6. Step 6: Final answer
    x = 263,909,974.80

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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.