Home / 113,823,489.30-170,723,743.62-77,170,719.75

Finding the Fourth Proportional to 113,823,489.30, 170,723,743.62 and 77,170,719.75

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Solution

The fourth proportional to 113,823,489.30, 170,723,743.62 and 77,170,719.75 is: 115,748,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823,489.30 : 170,723,743.62 = 77,170,719.75 : x
  2. Step 2: Convert to fraction form
    113,823,489.30/170,723,743.62 = 77,170,719.75/x
  3. Step 3: Cross multiply
    113,823,489.30x = 170,723,743.62 × 77,170,719.75
  4. Step 4: Simplify right side
    113,823,489.30x = 13,174,874,173,569,870
  5. Step 5: Solve for x
    x = 13,174,874,173,569,870/113,823,489.30
  6. Step 6: Final answer
    x = 115,748,289.34

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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.