Home / 74,300,546.45-111,437,864.71-19,718,650.43

Finding the Fourth Proportional to 74,300,546.45, 111,437,864.71 and 19,718,650.43

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Solution

The fourth proportional to 74,300,546.45, 111,437,864.71 and 19,718,650.43 is: 29,574,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300,546.45 : 111,437,864.71 = 19,718,650.43 : x
  2. Step 2: Convert to fraction form
    74,300,546.45/111,437,864.71 = 19,718,650.43/x
  3. Step 3: Cross multiply
    74,300,546.45x = 111,437,864.71 × 19,718,650.43
  4. Step 4: Simplify right side
    74,300,546.45x = 2,197,404,298,693,529.50
  5. Step 5: Solve for x
    x = 2,197,404,298,693,529.50/74,300,546.45
  6. Step 6: Final answer
    x = 29,574,537.52

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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.