Home / 228,017,609.25-314,655,870.72-123,593,438.55

Finding the Fourth Proportional to 228,017,609.25, 314,655,870.72 and 123,593,438.55

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Solution

The fourth proportional to 228,017,609.25, 314,655,870.72 and 123,593,438.55 is: 170,554,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,017,609.25 : 314,655,870.72 = 123,593,438.55 : x
  2. Step 2: Convert to fraction form
    228,017,609.25/314,655,870.72 = 123,593,438.55/x
  3. Step 3: Cross multiply
    228,017,609.25x = 314,655,870.72 × 123,593,438.55
  4. Step 4: Simplify right side
    228,017,609.25x = 38,889,401,022,229,064
  5. Step 5: Solve for x
    x = 38,889,401,022,229,064/228,017,609.25
  6. Step 6: Final answer
    x = 170,554,375.82

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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.