Home / 87,097,947.38-120,133,973.36-57,319,107.65

Finding the Fourth Proportional to 87,097,947.38, 120,133,973.36 and 57,319,107.65

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Solution

The fourth proportional to 87,097,947.38, 120,133,973.36 and 57,319,107.65 is: 79,060,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097,947.38 : 120,133,973.36 = 57,319,107.65 : x
  2. Step 2: Convert to fraction form
    87,097,947.38/120,133,973.36 = 57,319,107.65/x
  3. Step 3: Cross multiply
    87,097,947.38x = 120,133,973.36 × 57,319,107.65
  4. Step 4: Simplify right side
    87,097,947.38x = 6,885,972,150,986,700
  5. Step 5: Solve for x
    x = 6,885,972,150,986,700/87,097,947.38
  6. Step 6: Final answer
    x = 79,060,096.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.