Home / 311,703,444.83-430,121,453.50-211,027,077.26

Finding the Fourth Proportional to 311,703,444.83, 430,121,453.50 and 211,027,077.26

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Solution

The fourth proportional to 311,703,444.83, 430,121,453.50 and 211,027,077.26 is: 291,197,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,703,444.83 : 430,121,453.50 = 211,027,077.26 : x
  2. Step 2: Convert to fraction form
    311,703,444.83/430,121,453.50 = 211,027,077.26/x
  3. Step 3: Cross multiply
    311,703,444.83x = 430,121,453.50 × 211,027,077.26
  4. Step 4: Simplify right side
    311,703,444.83x = 90,767,273,198,656,320
  5. Step 5: Solve for x
    x = 90,767,273,198,656,320/311,703,444.83
  6. Step 6: Final answer
    x = 291,197,529.91

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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.