Home / 82,329,287.20-113,621,394-45,671,668

Finding the Fourth Proportional to 82,329,287.20, 113,621,394 and 45,671,668

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Solution

The fourth proportional to 82,329,287.20, 113,621,394 and 45,671,668 is: 63,030,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329,287.20 : 113,621,394 = 45,671,668 : x
  2. Step 2: Convert to fraction form
    82,329,287.20/113,621,394 = 45,671,668/x
  3. Step 3: Cross multiply
    82,329,287.20x = 113,621,394 × 45,671,668
  4. Step 4: Simplify right side
    82,329,287.20x = 5,189,278,584,465,192
  5. Step 5: Solve for x
    x = 5,189,278,584,465,192/82,329,287.20
  6. Step 6: Final answer
    x = 63,030,772.66

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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.