Home / 49,921,429.20-74,846,714.40-19,204,139.40

Finding the Fourth Proportional to 49,921,429.20, 74,846,714.40 and 19,204,139.40

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Solution

The fourth proportional to 49,921,429.20, 74,846,714.40 and 19,204,139.40 is: 28,792,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,429.20 : 74,846,714.40 = 19,204,139.40 : x
  2. Step 2: Convert to fraction form
    49,921,429.20/74,846,714.40 = 19,204,139.40/x
  3. Step 3: Cross multiply
    49,921,429.20x = 74,846,714.40 × 19,204,139.40
  4. Step 4: Simplify right side
    49,921,429.20x = 1,437,366,736,969,587.25
  5. Step 5: Solve for x
    x = 1,437,366,736,969,587.25/49,921,429.20
  6. Step 6: Final answer
    x = 28,792,579.86

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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.