Home / 71,580,617.91-107,221,955.31-45,543,945.51

Finding the Fourth Proportional to 71,580,617.91, 107,221,955.31 and 45,543,945.51

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Solution

The fourth proportional to 71,580,617.91, 107,221,955.31 and 45,543,945.51 is: 68,221,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,580,617.91 : 107,221,955.31 = 45,543,945.51 : x
  2. Step 2: Convert to fraction form
    71,580,617.91/107,221,955.31 = 45,543,945.51/x
  3. Step 3: Cross multiply
    71,580,617.91x = 107,221,955.31 × 45,543,945.51
  4. Step 4: Simplify right side
    71,580,617.91x = 4,883,310,890,114,295
  5. Step 5: Solve for x
    x = 4,883,310,890,114,295/71,580,617.91
  6. Step 6: Final answer
    x = 68,221,133.50

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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.