Home / 121,143,205.20-181,714,807.80-44,521,222.80

Finding the Fourth Proportional to 121,143,205.20, 181,714,807.80 and 44,521,222.80

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Solution

The fourth proportional to 121,143,205.20, 181,714,807.80 and 44,521,222.80 is: 66,781,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,205.20 : 181,714,807.80 = 44,521,222.80 : x
  2. Step 2: Convert to fraction form
    121,143,205.20/181,714,807.80 = 44,521,222.80/x
  3. Step 3: Cross multiply
    121,143,205.20x = 181,714,807.80 × 44,521,222.80
  4. Step 4: Simplify right side
    121,143,205.20x = 8,090,165,444,122,978
  5. Step 5: Solve for x
    x = 8,090,165,444,122,978/121,143,205.20
  6. Step 6: Final answer
    x = 66,781,834.20

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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.