Home / 115,119,034.82-172,768,097.39-80,349,559.50

Finding the Fourth Proportional to 115,119,034.82, 172,768,097.39 and 80,349,559.50

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Solution

The fourth proportional to 115,119,034.82, 172,768,097.39 and 80,349,559.50 is: 120,586,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119,034.82 : 172,768,097.39 = 80,349,559.50 : x
  2. Step 2: Convert to fraction form
    115,119,034.82/172,768,097.39 = 80,349,559.50/x
  3. Step 3: Cross multiply
    115,119,034.82x = 172,768,097.39 × 80,349,559.50
  4. Step 4: Simplify right side
    115,119,034.82x = 13,881,840,520,537,852
  5. Step 5: Solve for x
    x = 13,881,840,520,537,852/115,119,034.82
  6. Step 6: Final answer
    x = 120,586,839.03

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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.