Home / 91,172,189.82-125,817,660.84-49,356,254

Finding the Fourth Proportional to 91,172,189.82, 125,817,660.84 and 49,356,254

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Solution

The fourth proportional to 91,172,189.82, 125,817,660.84 and 49,356,254 is: 68,111,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172,189.82 : 125,817,660.84 = 49,356,254 : x
  2. Step 2: Convert to fraction form
    91,172,189.82/125,817,660.84 = 49,356,254/x
  3. Step 3: Cross multiply
    91,172,189.82x = 125,817,660.84 × 49,356,254
  4. Step 4: Simplify right side
    91,172,189.82x = 6,209,888,426,104,894
  5. Step 5: Solve for x
    x = 6,209,888,426,104,894/91,172,189.82
  6. Step 6: Final answer
    x = 68,111,651.57

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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.