Home / 288,715,157.53-432,899,786.29-91,893,552.88

Finding the Fourth Proportional to 288,715,157.53, 432,899,786.29 and 91,893,552.88

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Solution

The fourth proportional to 288,715,157.53, 432,899,786.29 and 91,893,552.88 is: 137,785,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,715,157.53 : 432,899,786.29 = 91,893,552.88 : x
  2. Step 2: Convert to fraction form
    288,715,157.53/432,899,786.29 = 91,893,552.88/x
  3. Step 3: Cross multiply
    288,715,157.53x = 432,899,786.29 × 91,893,552.88
  4. Step 4: Simplify right side
    288,715,157.53x = 39,780,699,401,868,832
  5. Step 5: Solve for x
    x = 39,780,699,401,868,832/288,715,157.53
  6. Step 6: Final answer
    x = 137,785,282.01

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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.