Home / 64,629,947.88-89,159,291.46-38,509,819.56

Finding the Fourth Proportional to 64,629,947.88, 89,159,291.46 and 38,509,819.56

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Solution

The fourth proportional to 64,629,947.88, 89,159,291.46 and 38,509,819.56 is: 53,125,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629,947.88 : 89,159,291.46 = 38,509,819.56 : x
  2. Step 2: Convert to fraction form
    64,629,947.88/89,159,291.46 = 38,509,819.56/x
  3. Step 3: Cross multiply
    64,629,947.88x = 89,159,291.46 × 38,509,819.56
  4. Step 4: Simplify right side
    64,629,947.88x = 3,433,508,226,222,049
  5. Step 5: Solve for x
    x = 3,433,508,226,222,049/64,629,947.88
  6. Step 6: Final answer
    x = 53,125,653.65

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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.