Home / 76,633,013.40-114,981,012.90-28,134,101.40

Finding the Fourth Proportional to 76,633,013.40, 114,981,012.90 and 28,134,101.40

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Solution

The fourth proportional to 76,633,013.40, 114,981,012.90 and 28,134,101.40 is: 42,212,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,633,013.40 : 114,981,012.90 = 28,134,101.40 : x
  2. Step 2: Convert to fraction form
    76,633,013.40/114,981,012.90 = 28,134,101.40/x
  3. Step 3: Cross multiply
    76,633,013.40x = 114,981,012.90 × 28,134,101.40
  4. Step 4: Simplify right side
    76,633,013.40x = 3,234,887,476,003,308
  5. Step 5: Solve for x
    x = 3,234,887,476,003,308/76,633,013.40
  6. Step 6: Final answer
    x = 42,212,713.98

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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.