Home / 330,187,915.71-455,669,522.73-181,520,396.64

Finding the Fourth Proportional to 330,187,915.71, 455,669,522.73 and 181,520,396.64

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Solution

The fourth proportional to 330,187,915.71, 455,669,522.73 and 181,520,396.64 is: 250,503,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,187,915.71 : 455,669,522.73 = 181,520,396.64 : x
  2. Step 2: Convert to fraction form
    330,187,915.71/455,669,522.73 = 181,520,396.64/x
  3. Step 3: Cross multiply
    330,187,915.71x = 455,669,522.73 × 181,520,396.64
  4. Step 4: Simplify right side
    330,187,915.71x = 82,713,312,502,709,088
  5. Step 5: Solve for x
    x = 82,713,312,502,709,088/330,187,915.71
  6. Step 6: Final answer
    x = 250,503,754.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.