Home / 120,670,057.80-181,005,086.70-39,891,025.80

Finding the Fourth Proportional to 120,670,057.80, 181,005,086.70 and 39,891,025.80

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Solution

The fourth proportional to 120,670,057.80, 181,005,086.70 and 39,891,025.80 is: 59,836,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670,057.80 : 181,005,086.70 = 39,891,025.80 : x
  2. Step 2: Convert to fraction form
    120,670,057.80/181,005,086.70 = 39,891,025.80/x
  3. Step 3: Cross multiply
    120,670,057.80x = 181,005,086.70 × 39,891,025.80
  4. Step 4: Simplify right side
    120,670,057.80x = 7,220,478,583,480,936
  5. Step 5: Solve for x
    x = 7,220,478,583,480,936/120,670,057.80
  6. Step 6: Final answer
    x = 59,836,538.70

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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.