Home / 75,186,410.32-112,779,702.88-20,599,469.84

Finding the Fourth Proportional to 75,186,410.32, 112,779,702.88 and 20,599,469.84

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Solution

The fourth proportional to 75,186,410.32, 112,779,702.88 and 20,599,469.84 is: 30,899,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186,410.32 : 112,779,702.88 = 20,599,469.84 : x
  2. Step 2: Convert to fraction form
    75,186,410.32/112,779,702.88 = 20,599,469.84/x
  3. Step 3: Cross multiply
    75,186,410.32x = 112,779,702.88 × 20,599,469.84
  4. Step 4: Simplify right side
    75,186,410.32x = 2,323,202,088,040,721
  5. Step 5: Solve for x
    x = 2,323,202,088,040,721/75,186,410.32
  6. Step 6: Final answer
    x = 30,899,228.71

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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.