Home / 87,431,419-131,153,427.06-33,578,731

Finding the Fourth Proportional to 87,431,419, 131,153,427.06 and 33,578,731

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Solution

The fourth proportional to 87,431,419, 131,153,427.06 and 33,578,731 is: 50,370,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431,419 : 131,153,427.06 = 33,578,731 : x
  2. Step 2: Convert to fraction form
    87,431,419/131,153,427.06 = 33,578,731/x
  3. Step 3: Cross multiply
    87,431,419x = 131,153,427.06 × 33,578,731
  4. Step 4: Simplify right side
    87,431,419x = 4,403,965,646,975,861
  5. Step 5: Solve for x
    x = 4,403,965,646,975,861/87,431,419
  6. Step 6: Final answer
    x = 50,370,515.51

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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.