Home / 42,441,072.45-63,661,600.47-18,164,257.08

Finding the Fourth Proportional to 42,441,072.45, 63,661,600.47 and 18,164,257.08

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Solution

The fourth proportional to 42,441,072.45, 63,661,600.47 and 18,164,257.08 is: 27,246,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,441,072.45 : 63,661,600.47 = 18,164,257.08 : x
  2. Step 2: Convert to fraction form
    42,441,072.45/63,661,600.47 = 18,164,257.08/x
  3. Step 3: Cross multiply
    42,441,072.45x = 63,661,600.47 × 18,164,257.08
  4. Step 4: Simplify right side
    42,441,072.45x = 1,156,365,677,061,328.75
  5. Step 5: Solve for x
    x = 1,156,365,677,061,328.75/42,441,072.45
  6. Step 6: Final answer
    x = 27,246,382.11

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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.