Home / 257,815,657.30-386,156,615.55-223,803,433.30

Finding the Fourth Proportional to 257,815,657.30, 386,156,615.55 and 223,803,433.30

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Solution

The fourth proportional to 257,815,657.30, 386,156,615.55 and 223,803,433.30 is: 335,213,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,815,657.30 : 386,156,615.55 = 223,803,433.30 : x
  2. Step 2: Convert to fraction form
    257,815,657.30/386,156,615.55 = 223,803,433.30/x
  3. Step 3: Cross multiply
    257,815,657.30x = 386,156,615.55 × 223,803,433.30
  4. Step 4: Simplify right side
    257,815,657.30x = 86,423,176,351,598,176
  5. Step 5: Solve for x
    x = 86,423,176,351,598,176/257,815,657.30
  6. Step 6: Final answer
    x = 335,213,063.69

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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.