Home / 39,665,851.71-59,497,177.86-20,234,651.45

Finding the Fourth Proportional to 39,665,851.71, 59,497,177.86 and 20,234,651.45

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Solution

The fourth proportional to 39,665,851.71, 59,497,177.86 and 20,234,651.45 is: 30,351,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665,851.71 : 59,497,177.86 = 20,234,651.45 : x
  2. Step 2: Convert to fraction form
    39,665,851.71/59,497,177.86 = 20,234,651.45/x
  3. Step 3: Cross multiply
    39,665,851.71x = 59,497,177.86 × 20,234,651.45
  4. Step 4: Simplify right side
    39,665,851.71x = 1,203,904,655,958,271
  5. Step 5: Solve for x
    x = 1,203,904,655,958,271/39,665,851.71
  6. Step 6: Final answer
    x = 30,351,161.12

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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.