Home / 82,005,715.71-113,170,249.62-45,338,648.67

Finding the Fourth Proportional to 82,005,715.71, 113,170,249.62 and 45,338,648.67

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Solution

The fourth proportional to 82,005,715.71, 113,170,249.62 and 45,338,648.67 is: 62,568,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,715.71 : 113,170,249.62 = 45,338,648.67 : x
  2. Step 2: Convert to fraction form
    82,005,715.71/113,170,249.62 = 45,338,648.67/x
  3. Step 3: Cross multiply
    82,005,715.71x = 113,170,249.62 × 45,338,648.67
  4. Step 4: Simplify right side
    82,005,715.71x = 5,130,986,187,417,381
  5. Step 5: Solve for x
    x = 5,130,986,187,417,381/82,005,715.71
  6. Step 6: Final answer
    x = 62,568,641.01

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Double scale
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1.5x scale

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.