Home / 82,005,713.25-113,170,246.25-45,338,646.21

Finding the Fourth Proportional to 82,005,713.25, 113,170,246.25 and 45,338,646.21

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Solution

The fourth proportional to 82,005,713.25, 113,170,246.25 and 45,338,646.21 is: 62,568,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,713.25 : 113,170,246.25 = 45,338,646.21 : x
  2. Step 2: Convert to fraction form
    82,005,713.25/113,170,246.25 = 45,338,646.21/x
  3. Step 3: Cross multiply
    82,005,713.25x = 113,170,246.25 × 45,338,646.21
  4. Step 4: Simplify right side
    82,005,713.25x = 5,130,985,756,227,329
  5. Step 5: Solve for x
    x = 5,130,985,756,227,329/82,005,713.25
  6. Step 6: Final answer
    x = 62,568,637.63

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Double scale
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Similar ratio
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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.