Home / 261,558,540.16-392,386,082.79-108,216,554.02

Finding the Fourth Proportional to 261,558,540.16, 392,386,082.79 and 108,216,554.02

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Solution

The fourth proportional to 261,558,540.16, 392,386,082.79 and 108,216,554.02 is: 162,344,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,558,540.16 : 392,386,082.79 = 108,216,554.02 : x
  2. Step 2: Convert to fraction form
    261,558,540.16/392,386,082.79 = 108,216,554.02/x
  3. Step 3: Cross multiply
    261,558,540.16x = 392,386,082.79 × 108,216,554.02
  4. Step 4: Simplify right side
    261,558,540.16x = 42,462,669,724,940,232
  5. Step 5: Solve for x
    x = 42,462,669,724,940,232/261,558,540.16
  6. Step 6: Final answer
    x = 162,344,803.19

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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.