Home / 217,261,904.94-299,812,302.25-123,182,380.94

Finding the Fourth Proportional to 217,261,904.94, 299,812,302.25 and 123,182,380.94

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Solution

The fourth proportional to 217,261,904.94, 299,812,302.25 and 123,182,380.94 is: 169,986,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,261,904.94 : 299,812,302.25 = 123,182,380.94 : x
  2. Step 2: Convert to fraction form
    217,261,904.94/299,812,302.25 = 123,182,380.94/x
  3. Step 3: Cross multiply
    217,261,904.94x = 299,812,302.25 × 123,182,380.94
  4. Step 4: Simplify right side
    217,261,904.94x = 36,931,593,224,450,904
  5. Step 5: Solve for x
    x = 36,931,593,224,450,904/217,261,904.94
  6. Step 6: Final answer
    x = 169,986,511.14

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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.