Home / 82,177,697.61-113,408,787.51-45,508,268.61

Finding the Fourth Proportional to 82,177,697.61, 113,408,787.51 and 45,508,268.61

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Solution

The fourth proportional to 82,177,697.61, 113,408,787.51 and 45,508,268.61 is: 62,803,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177,697.61 : 113,408,787.51 = 45,508,268.61 : x
  2. Step 2: Convert to fraction form
    82,177,697.61/113,408,787.51 = 45,508,268.61/x
  3. Step 3: Cross multiply
    82,177,697.61x = 113,408,787.51 × 45,508,268.61
  4. Step 4: Simplify right side
    82,177,697.61x = 5,161,037,564,739,493
  5. Step 5: Solve for x
    x = 5,161,037,564,739,493/82,177,697.61
  6. Step 6: Final answer
    x = 62,803,384.80

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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.