Home / 205,231,948.56-283,219,655.76-111,145,795.92

Finding the Fourth Proportional to 205,231,948.56, 283,219,655.76 and 111,145,795.92

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Solution

The fourth proportional to 205,231,948.56, 283,219,655.76 and 111,145,795.92 is: 153,380,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,948.56 : 283,219,655.76 = 111,145,795.92 : x
  2. Step 2: Convert to fraction form
    205,231,948.56/283,219,655.76 = 111,145,795.92/x
  3. Step 3: Cross multiply
    205,231,948.56x = 283,219,655.76 × 111,145,795.92
  4. Step 4: Simplify right side
    205,231,948.56x = 31,478,674,059,633,612
  5. Step 5: Solve for x
    x = 31,478,674,059,633,612/205,231,948.56
  6. Step 6: Final answer
    x = 153,380,963.74

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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.