Home / 120,965,561.70-181,448,342.55-40,186,529.70

Finding the Fourth Proportional to 120,965,561.70, 181,448,342.55 and 40,186,529.70

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Solution

The fourth proportional to 120,965,561.70, 181,448,342.55 and 40,186,529.70 is: 60,279,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,965,561.70 : 181,448,342.55 = 40,186,529.70 : x
  2. Step 2: Convert to fraction form
    120,965,561.70/181,448,342.55 = 40,186,529.70/x
  3. Step 3: Cross multiply
    120,965,561.70x = 181,448,342.55 × 40,186,529.70
  4. Step 4: Simplify right side
    120,965,561.70x = 7,291,779,206,901,350
  5. Step 5: Solve for x
    x = 7,291,779,206,901,350/120,965,561.70
  6. Step 6: Final answer
    x = 60,279,794.55

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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.