Home / 228,381,115.08-315,157,499.60-123,956,944.39

Finding the Fourth Proportional to 228,381,115.08, 315,157,499.60 and 123,956,944.39

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Solution

The fourth proportional to 228,381,115.08, 315,157,499.60 and 123,956,944.39 is: 171,056,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,381,115.08 : 315,157,499.60 = 123,956,944.39 : x
  2. Step 2: Convert to fraction form
    228,381,115.08/315,157,499.60 = 123,956,944.39/x
  3. Step 3: Cross multiply
    228,381,115.08x = 315,157,499.60 × 123,956,944.39
  4. Step 4: Simplify right side
    228,381,115.08x = 39,065,960,651,065,808
  5. Step 5: Solve for x
    x = 39,065,960,651,065,808/228,381,115.08
  6. Step 6: Final answer
    x = 171,056,002.76

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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.