Home / 81,126,515.84-121,607,842.24-50,855,596.16

Finding the Fourth Proportional to 81,126,515.84, 121,607,842.24 and 50,855,596.16

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Solution

The fourth proportional to 81,126,515.84, 121,607,842.24 and 50,855,596.16 is: 76,232,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,126,515.84 : 121,607,842.24 = 50,855,596.16 : x
  2. Step 2: Convert to fraction form
    81,126,515.84/121,607,842.24 = 50,855,596.16/x
  3. Step 3: Cross multiply
    81,126,515.84x = 121,607,842.24 × 50,855,596.16
  4. Step 4: Simplify right side
    81,126,515.84x = 6,184,439,314,846,429
  5. Step 5: Solve for x
    x = 6,184,439,314,846,429/81,126,515.84
  6. Step 6: Final answer
    x = 76,232,034.01

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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.