Home / 42,629,034.92-63,933,908.52-19,577,808.68

Finding the Fourth Proportional to 42,629,034.92, 63,933,908.52 and 19,577,808.68

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Solution

The fourth proportional to 42,629,034.92, 63,933,908.52 and 19,577,808.68 is: 29,362,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629,034.92 : 63,933,908.52 = 19,577,808.68 : x
  2. Step 2: Convert to fraction form
    42,629,034.92/63,933,908.52 = 19,577,808.68/x
  3. Step 3: Cross multiply
    42,629,034.92x = 63,933,908.52 × 19,577,808.68
  4. Step 4: Simplify right side
    42,629,034.92x = 1,251,685,829,169,182
  5. Step 5: Solve for x
    x = 1,251,685,829,169,182/42,629,034.92
  6. Step 6: Final answer
    x = 29,362,283.98

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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.