Home / 89,518,274.64-123,469,095.48-61,649,836.56

Finding the Fourth Proportional to 89,518,274.64, 123,469,095.48 and 61,649,836.56

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Solution

The fourth proportional to 89,518,274.64, 123,469,095.48 and 61,649,836.56 is: 85,031,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518,274.64 : 123,469,095.48 = 61,649,836.56 : x
  2. Step 2: Convert to fraction form
    89,518,274.64/123,469,095.48 = 61,649,836.56/x
  3. Step 3: Cross multiply
    89,518,274.64x = 123,469,095.48 × 61,649,836.56
  4. Step 4: Simplify right side
    89,518,274.64x = 7,611,849,556,553,035
  5. Step 5: Solve for x
    x = 7,611,849,556,553,035/89,518,274.64
  6. Step 6: Final answer
    x = 85,031,236.22

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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.