Home / 228,381,105.86-315,157,486.88-123,956,935.17

Finding the Fourth Proportional to 228,381,105.86, 315,157,486.88 and 123,956,935.17

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Solution

The fourth proportional to 228,381,105.86, 315,157,486.88 and 123,956,935.17 is: 171,055,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,381,105.86 : 315,157,486.88 = 123,956,935.17 : x
  2. Step 2: Convert to fraction form
    228,381,105.86/315,157,486.88 = 123,956,935.17/x
  3. Step 3: Cross multiply
    228,381,105.86x = 315,157,486.88 × 123,956,935.17
  4. Step 4: Simplify right side
    228,381,105.86x = 39,065,956,168,652,336
  5. Step 5: Solve for x
    x = 39,065,956,168,652,336/228,381,105.86
  6. Step 6: Final answer
    x = 171,055,990.04

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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.