Home / 306,900,043.42-423,522,229.85-165,771,263.18

Finding the Fourth Proportional to 306,900,043.42, 423,522,229.85 and 165,771,263.18

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Solution

The fourth proportional to 306,900,043.42, 423,522,229.85 and 165,771,263.18 is: 228,764,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,900,043.42 : 423,522,229.85 = 165,771,263.18 : x
  2. Step 2: Convert to fraction form
    306,900,043.42/423,522,229.85 = 165,771,263.18/x
  3. Step 3: Cross multiply
    306,900,043.42x = 423,522,229.85 × 165,771,263.18
  4. Step 4: Simplify right side
    306,900,043.42x = 70,207,815,028,518,040
  5. Step 5: Solve for x
    x = 70,207,815,028,518,040/306,900,043.42
  6. Step 6: Final answer
    x = 228,764,434.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.