Home / 320,601,186.71-442,392,312.78-179,480,134.70

Finding the Fourth Proportional to 320,601,186.71, 442,392,312.78 and 179,480,134.70

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Solution

The fourth proportional to 320,601,186.71, 442,392,312.78 and 179,480,134.70 is: 247,661,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,186.71 : 442,392,312.78 = 179,480,134.70 : x
  2. Step 2: Convert to fraction form
    320,601,186.71/442,392,312.78 = 179,480,134.70/x
  3. Step 3: Cross multiply
    320,601,186.71x = 442,392,312.78 × 179,480,134.70
  4. Step 4: Simplify right side
    320,601,186.71x = 79,400,631,885,786,960
  5. Step 5: Solve for x
    x = 79,400,631,885,786,960/320,601,186.71
  6. Step 6: Final answer
    x = 247,661,690.53

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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.