Home / 82,221,359.20-113,282,762.16-54,294,477.28

Finding the Fourth Proportional to 82,221,359.20, 113,282,762.16 and 54,294,477.28

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Solution

The fourth proportional to 82,221,359.20, 113,282,762.16 and 54,294,477.28 is: 74,805,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221,359.20 : 113,282,762.16 = 54,294,477.28 : x
  2. Step 2: Convert to fraction form
    82,221,359.20/113,282,762.16 = 54,294,477.28/x
  3. Step 3: Cross multiply
    82,221,359.20x = 113,282,762.16 × 54,294,477.28
  4. Step 4: Simplify right side
    82,221,359.20x = 6,150,628,356,311,764
  5. Step 5: Solve for x
    x = 6,150,628,356,311,764/82,221,359.20
  6. Step 6: Final answer
    x = 74,805,724.65

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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.