Home / 91,407,252.50-137,121,283.07-33,142,369.38

Finding the Fourth Proportional to 91,407,252.50, 137,121,283.07 and 33,142,369.38

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Solution

The fourth proportional to 91,407,252.50, 137,121,283.07 and 33,142,369.38 is: 49,717,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,407,252.50 : 137,121,283.07 = 33,142,369.38 : x
  2. Step 2: Convert to fraction form
    91,407,252.50/137,121,283.07 = 33,142,369.38/x
  3. Step 3: Cross multiply
    91,407,252.50x = 137,121,283.07 × 33,142,369.38
  4. Step 4: Simplify right side
    91,407,252.50x = 4,544,524,213,199,768
  5. Step 5: Solve for x
    x = 4,544,524,213,199,768/91,407,252.50
  6. Step 6: Final answer
    x = 49,717,326.46

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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.