Home / 217,281,300.30-325,921,950.45-115,244,628.30

Finding the Fourth Proportional to 217,281,300.30, 325,921,950.45 and 115,244,628.30

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Solution

The fourth proportional to 217,281,300.30, 325,921,950.45 and 115,244,628.30 is: 172,866,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,281,300.30 : 325,921,950.45 = 115,244,628.30 : x
  2. Step 2: Convert to fraction form
    217,281,300.30/325,921,950.45 = 115,244,628.30/x
  3. Step 3: Cross multiply
    217,281,300.30x = 325,921,950.45 × 115,244,628.30
  4. Step 4: Simplify right side
    217,281,300.30x = 37,560,754,034,421,264
  5. Step 5: Solve for x
    x = 37,560,754,034,421,264/217,281,300.30
  6. Step 6: Final answer
    x = 172,866,942.45

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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.