Home / 205,227,148.71-308,331,828.61-131,595,190.34

Finding the Fourth Proportional to 205,227,148.71, 308,331,828.61 and 131,595,190.34

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Solution

The fourth proportional to 205,227,148.71, 308,331,828.61 and 131,595,190.34 is: 197,707,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,227,148.71 : 308,331,828.61 = 131,595,190.34 : x
  2. Step 2: Convert to fraction form
    205,227,148.71/308,331,828.61 = 131,595,190.34/x
  3. Step 3: Cross multiply
    205,227,148.71x = 308,331,828.61 × 131,595,190.34
  4. Step 4: Simplify right side
    205,227,148.71x = 40,574,985,674,255,048
  5. Step 5: Solve for x
    x = 40,574,985,674,255,048/205,227,148.71
  6. Step 6: Final answer
    x = 197,707,690.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.