Home / 101,240,785.20-151,916,462.33-42,939,394.82

Finding the Fourth Proportional to 101,240,785.20, 151,916,462.33 and 42,939,394.82

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Solution

The fourth proportional to 101,240,785.20, 151,916,462.33 and 42,939,394.82 is: 64,432,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,240,785.20 : 151,916,462.33 = 42,939,394.82 : x
  2. Step 2: Convert to fraction form
    101,240,785.20/151,916,462.33 = 42,939,394.82/x
  3. Step 3: Cross multiply
    101,240,785.20x = 151,916,462.33 × 42,939,394.82
  4. Step 4: Simplify right side
    101,240,785.20x = 6,523,200,954,671,247
  5. Step 5: Solve for x
    x = 6,523,200,954,671,247/101,240,785.20
  6. Step 6: Final answer
    x = 64,432,540.12

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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.