Home / 120,747,776-181,150,007.52-39,968,744

Finding the Fourth Proportional to 120,747,776, 181,150,007.52 and 39,968,744

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Solution

The fourth proportional to 120,747,776, 181,150,007.52 and 39,968,744 is: 59,962,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,747,776 : 181,150,007.52 = 39,968,744 : x
  2. Step 2: Convert to fraction form
    120,747,776/181,150,007.52 = 39,968,744/x
  3. Step 3: Cross multiply
    120,747,776x = 181,150,007.52 × 39,968,744
  4. Step 4: Simplify right side
    120,747,776x = 7,240,338,276,164,955
  5. Step 5: Solve for x
    x = 7,240,338,276,164,955/120,747,776
  6. Step 6: Final answer
    x = 59,962,497.99

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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.