Home / 213,587,500.80-320,381,251.20-175,323,748.80

Finding the Fourth Proportional to 213,587,500.80, 320,381,251.20 and 175,323,748.80

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Solution

The fourth proportional to 213,587,500.80, 320,381,251.20 and 175,323,748.80 is: 262,985,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,587,500.80 : 320,381,251.20 = 175,323,748.80 : x
  2. Step 2: Convert to fraction form
    213,587,500.80/320,381,251.20 = 175,323,748.80/x
  3. Step 3: Cross multiply
    213,587,500.80x = 320,381,251.20 × 175,323,748.80
  4. Step 4: Simplify right side
    213,587,500.80x = 56,170,442,005,618,504
  5. Step 5: Solve for x
    x = 56,170,442,005,618,504/213,587,500.80
  6. Step 6: Final answer
    x = 262,985,623.20

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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.