Home / 228,364,572.16-315,143,421.42-123,942,644.92

Finding the Fourth Proportional to 228,364,572.16, 315,143,421.42 and 123,942,644.92

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Solution

The fourth proportional to 228,364,572.16, 315,143,421.42 and 123,942,644.92 is: 171,041,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,572.16 : 315,143,421.42 = 123,942,644.92 : x
  2. Step 2: Convert to fraction form
    228,364,572.16/315,143,421.42 = 123,942,644.92/x
  3. Step 3: Cross multiply
    228,364,572.16x = 315,143,421.42 × 123,942,644.92
  4. Step 4: Simplify right side
    228,364,572.16x = 39,059,709,179,932,984
  5. Step 5: Solve for x
    x = 39,059,709,179,932,984/228,364,572.16
  6. Step 6: Final answer
    x = 171,041,019.24

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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.