Home / 212,668,276.20-318,876,443.10-110,631,604.20

Finding the Fourth Proportional to 212,668,276.20, 318,876,443.10 and 110,631,604.20

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Solution

The fourth proportional to 212,668,276.20, 318,876,443.10 and 110,631,604.20 is: 165,881,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,668,276.20 : 318,876,443.10 = 110,631,604.20 : x
  2. Step 2: Convert to fraction form
    212,668,276.20/318,876,443.10 = 110,631,604.20/x
  3. Step 3: Cross multiply
    212,668,276.20x = 318,876,443.10 × 110,631,604.20
  4. Step 4: Simplify right side
    212,668,276.20x = 35,277,812,441,743,024
  5. Step 5: Solve for x
    x = 35,277,812,441,743,024/212,668,276.20
  6. Step 6: Final answer
    x = 165,881,875.15

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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.