Home / 228,364,572.66-315,143,422.11-123,942,645.42

Finding the Fourth Proportional to 228,364,572.66, 315,143,422.11 and 123,942,645.42

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Solution

The fourth proportional to 228,364,572.66, 315,143,422.11 and 123,942,645.42 is: 171,041,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,572.66 : 315,143,422.11 = 123,942,645.42 : x
  2. Step 2: Convert to fraction form
    228,364,572.66/315,143,422.11 = 123,942,645.42/x
  3. Step 3: Cross multiply
    228,364,572.66x = 315,143,422.11 × 123,942,645.42
  4. Step 4: Simplify right side
    228,364,572.66x = 39,059,709,423,025,120
  5. Step 5: Solve for x
    x = 39,059,709,423,025,120/228,364,572.66
  6. Step 6: Final answer
    x = 171,041,019.93

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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.