Home / 91,172,192.52-125,817,664.53-49,356,256.68

Finding the Fourth Proportional to 91,172,192.52, 125,817,664.53 and 49,356,256.68

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Solution

The fourth proportional to 91,172,192.52, 125,817,664.53 and 49,356,256.68 is: 68,111,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172,192.52 : 125,817,664.53 = 49,356,256.68 : x
  2. Step 2: Convert to fraction form
    91,172,192.52/125,817,664.53 = 49,356,256.68/x
  3. Step 3: Cross multiply
    91,172,192.52x = 125,817,664.53 × 49,356,256.68
  4. Step 4: Simplify right side
    91,172,192.52x = 6,209,888,945,420,812
  5. Step 5: Solve for x
    x = 6,209,888,945,420,812/91,172,192.52
  6. Step 6: Final answer
    x = 68,111,655.25

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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.