Home / 72,354,713.80-108,308,121.90-41,972,326.60

Finding the Fourth Proportional to 72,354,713.80, 108,308,121.90 and 41,972,326.60

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Solution

The fourth proportional to 72,354,713.80, 108,308,121.90 and 41,972,326.60 is: 62,828,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,354,713.80 : 108,308,121.90 = 41,972,326.60 : x
  2. Step 2: Convert to fraction form
    72,354,713.80/108,308,121.90 = 41,972,326.60/x
  3. Step 3: Cross multiply
    72,354,713.80x = 108,308,121.90 × 41,972,326.60
  4. Step 4: Simplify right side
    72,354,713.80x = 4,545,943,865,819,413
  5. Step 5: Solve for x
    x = 4,545,943,865,819,413/72,354,713.80
  6. Step 6: Final answer
    x = 62,828,579.19

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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.