Home / 100,809,932.80-151,115,366.40-49,650,073.60

Finding the Fourth Proportional to 100,809,932.80, 151,115,366.40 and 49,650,073.60

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Solution

The fourth proportional to 100,809,932.80, 151,115,366.40 and 49,650,073.60 is: 74,426,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809,932.80 : 151,115,366.40 = 49,650,073.60 : x
  2. Step 2: Convert to fraction form
    100,809,932.80/151,115,366.40 = 49,650,073.60/x
  3. Step 3: Cross multiply
    100,809,932.80x = 151,115,366.40 × 49,650,073.60
  4. Step 4: Simplify right side
    100,809,932.80x = 7,502,889,063,850,968
  5. Step 5: Solve for x
    x = 7,502,889,063,850,968/100,809,932.80
  6. Step 6: Final answer
    x = 74,426,089.33

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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.