Home / 82,005,720.19-113,170,255.83-45,338,653.15

Finding the Fourth Proportional to 82,005,720.19, 113,170,255.83 and 45,338,653.15

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Solution

The fourth proportional to 82,005,720.19, 113,170,255.83 and 45,338,653.15 is: 62,568,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,720.19 : 113,170,255.83 = 45,338,653.15 : x
  2. Step 2: Convert to fraction form
    82,005,720.19/113,170,255.83 = 45,338,653.15/x
  3. Step 3: Cross multiply
    82,005,720.19x = 113,170,255.83 × 45,338,653.15
  4. Step 4: Simplify right side
    82,005,720.19x = 5,130,986,975,690,210
  5. Step 5: Solve for x
    x = 5,130,986,975,690,210/82,005,720.19
  6. Step 6: Final answer
    x = 62,568,647.21

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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.