Home / 115,119,037.32-172,768,101.13-80,349,562

Finding the Fourth Proportional to 115,119,037.32, 172,768,101.13 and 80,349,562

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Solution

The fourth proportional to 115,119,037.32, 172,768,101.13 and 80,349,562 is: 120,586,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119,037.32 : 172,768,101.13 = 80,349,562 : x
  2. Step 2: Convert to fraction form
    115,119,037.32/172,768,101.13 = 80,349,562/x
  3. Step 3: Cross multiply
    115,119,037.32x = 172,768,101.13 × 80,349,562
  4. Step 4: Simplify right side
    115,119,037.32x = 13,881,841,253,367,204
  5. Step 5: Solve for x
    x = 13,881,841,253,367,204/115,119,037.32
  6. Step 6: Final answer
    x = 120,586,842.77

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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.