Home / 82,005,713.25-113,170,246.26-45,338,646.21

Finding the Fourth Proportional to 82,005,713.25, 113,170,246.26 and 45,338,646.21

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Solution

The fourth proportional to 82,005,713.25, 113,170,246.26 and 45,338,646.21 is: 62,568,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,713.25 : 113,170,246.26 = 45,338,646.21 : x
  2. Step 2: Convert to fraction form
    82,005,713.25/113,170,246.26 = 45,338,646.21/x
  3. Step 3: Cross multiply
    82,005,713.25x = 113,170,246.26 × 45,338,646.21
  4. Step 4: Simplify right side
    82,005,713.25x = 5,130,985,756,680,716
  5. Step 5: Solve for x
    x = 5,130,985,756,680,716/82,005,713.25
  6. Step 6: Final answer
    x = 62,568,637.64

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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.