Home / 39,665,857.71-59,497,186.86-20,234,657.45

Finding the Fourth Proportional to 39,665,857.71, 59,497,186.86 and 20,234,657.45

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Solution

The fourth proportional to 39,665,857.71, 59,497,186.86 and 20,234,657.45 is: 30,351,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665,857.71 : 59,497,186.86 = 20,234,657.45 : x
  2. Step 2: Convert to fraction form
    39,665,857.71/59,497,186.86 = 20,234,657.45/x
  3. Step 3: Cross multiply
    39,665,857.71x = 59,497,186.86 × 20,234,657.45
  4. Step 4: Simplify right side
    39,665,857.71x = 1,203,905,195,053,255.25
  5. Step 5: Solve for x
    x = 1,203,905,195,053,255.25/39,665,857.71
  6. Step 6: Final answer
    x = 30,351,170.11

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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.