Home / 115,160,842.34-172,741,263.53-38,483,870.56

Finding the Fourth Proportional to 115,160,842.34, 172,741,263.53 and 38,483,870.56

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Solution

The fourth proportional to 115,160,842.34, 172,741,263.53 and 38,483,870.56 is: 57,725,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,842.34 : 172,741,263.53 = 38,483,870.56 : x
  2. Step 2: Convert to fraction form
    115,160,842.34/172,741,263.53 = 38,483,870.56/x
  3. Step 3: Cross multiply
    115,160,842.34x = 172,741,263.53 × 38,483,870.56
  4. Step 4: Simplify right side
    115,160,842.34x = 6,647,752,426,406,766
  5. Step 5: Solve for x
    x = 6,647,752,426,406,766/115,160,842.34
  6. Step 6: Final answer
    x = 57,725,805.85

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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.