Home / 212,947,339.86-293,868,214.56-115,162,195.86

Finding the Fourth Proportional to 212,947,339.86, 293,868,214.56 and 115,162,195.86

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Solution

The fourth proportional to 212,947,339.86, 293,868,214.56 and 115,162,195.86 is: 158,924,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947,339.86 : 293,868,214.56 = 115,162,195.86 : x
  2. Step 2: Convert to fraction form
    212,947,339.86/293,868,214.56 = 115,162,195.86/x
  3. Step 3: Cross multiply
    212,947,339.86x = 293,868,214.56 × 115,162,195.86
  4. Step 4: Simplify right side
    212,947,339.86x = 33,842,508,882,187,224
  5. Step 5: Solve for x
    x = 33,842,508,882,187,224/212,947,339.86
  6. Step 6: Final answer
    x = 158,924,309.20

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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.