Home / 133,161,016.80-199,747,054.80-42,282,040.80

Finding the Fourth Proportional to 133,161,016.80, 199,747,054.80 and 42,282,040.80

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Solution

The fourth proportional to 133,161,016.80, 199,747,054.80 and 42,282,040.80 is: 63,424,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,161,016.80 : 199,747,054.80 = 42,282,040.80 : x
  2. Step 2: Convert to fraction form
    133,161,016.80/199,747,054.80 = 42,282,040.80/x
  3. Step 3: Cross multiply
    133,161,016.80x = 199,747,054.80 × 42,282,040.80
  4. Step 4: Simplify right side
    133,161,016.80x = 8,445,713,120,733,436
  5. Step 5: Solve for x
    x = 8,445,713,120,733,436/133,161,016.80
  6. Step 6: Final answer
    x = 63,424,816.99

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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.