Home / 115,182,107.06-172,836,932.42-69,010,512.98

Finding the Fourth Proportional to 115,182,107.06, 172,836,932.42 and 69,010,512.98

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Solution

The fourth proportional to 115,182,107.06, 172,836,932.42 and 69,010,512.98 is: 103,553,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182,107.06 : 172,836,932.42 = 69,010,512.98 : x
  2. Step 2: Convert to fraction form
    115,182,107.06/172,836,932.42 = 69,010,512.98/x
  3. Step 3: Cross multiply
    115,182,107.06x = 172,836,932.42 × 69,010,512.98
  4. Step 4: Simplify right side
    115,182,107.06x = 11,927,565,367,502,134
  5. Step 5: Solve for x
    x = 11,927,565,367,502,134/115,182,107.06
  6. Step 6: Final answer
    x = 103,553,977.89

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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.