Home / 82,005,716.71-113,170,251-45,338,649.67

Finding the Fourth Proportional to 82,005,716.71, 113,170,251 and 45,338,649.67

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Solution

The fourth proportional to 82,005,716.71, 113,170,251 and 45,338,649.67 is: 62,568,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,716.71 : 113,170,251 = 45,338,649.67 : x
  2. Step 2: Convert to fraction form
    82,005,716.71/113,170,251 = 45,338,649.67/x
  3. Step 3: Cross multiply
    82,005,716.71x = 113,170,251 × 45,338,649.67
  4. Step 4: Simplify right side
    82,005,716.71x = 5,130,986,363,154,967
  5. Step 5: Solve for x
    x = 5,130,986,363,154,967/82,005,716.71
  6. Step 6: Final answer
    x = 62,568,642.39

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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.