Home / 120,690,839.64-181,153,176.48-114,136,400.64

Finding the Fourth Proportional to 120,690,839.64, 181,153,176.48 and 114,136,400.64

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Solution

The fourth proportional to 120,690,839.64, 181,153,176.48 and 114,136,400.64 is: 171,315,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,690,839.64 : 181,153,176.48 = 114,136,400.64 : x
  2. Step 2: Convert to fraction form
    120,690,839.64/181,153,176.48 = 114,136,400.64/x
  3. Step 3: Cross multiply
    120,690,839.64x = 181,153,176.48 × 114,136,400.64
  4. Step 4: Simplify right side
    120,690,839.64x = 20,676,171,527,929,904
  5. Step 5: Solve for x
    x = 20,676,171,527,929,904/120,690,839.64
  6. Step 6: Final answer
    x = 171,315,168.49

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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.