Home / 146,286,508.29-219,396,184.35-87,215,603.28

Finding the Fourth Proportional to 146,286,508.29, 219,396,184.35 and 87,215,603.28

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Solution

The fourth proportional to 146,286,508.29, 219,396,184.35 and 87,215,603.28 is: 130,803,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,286,508.29 : 219,396,184.35 = 87,215,603.28 : x
  2. Step 2: Convert to fraction form
    146,286,508.29/219,396,184.35 = 87,215,603.28/x
  3. Step 3: Cross multiply
    146,286,508.29x = 219,396,184.35 × 87,215,603.28
  4. Step 4: Simplify right side
    146,286,508.29x = 19,134,770,575,415,344
  5. Step 5: Solve for x
    x = 19,134,770,575,415,344/146,286,508.29
  6. Step 6: Final answer
    x = 130,803,385.76

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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.