Home / 82,798,081.20-124,197,121.80-50,513,040.45

Finding the Fourth Proportional to 82,798,081.20, 124,197,121.80 and 50,513,040.45

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Solution

The fourth proportional to 82,798,081.20, 124,197,121.80 and 50,513,040.45 is: 75,769,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798,081.20 : 124,197,121.80 = 50,513,040.45 : x
  2. Step 2: Convert to fraction form
    82,798,081.20/124,197,121.80 = 50,513,040.45/x
  3. Step 3: Cross multiply
    82,798,081.20x = 124,197,121.80 × 50,513,040.45
  4. Step 4: Simplify right side
    82,798,081.20x = 6,273,574,237,256,977
  5. Step 5: Solve for x
    x = 6,273,574,237,256,977/82,798,081.20
  6. Step 6: Final answer
    x = 75,769,560.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.