Home / 49,775,780.80-74,663,671.20-15,707,569.60

Finding the Fourth Proportional to 49,775,780.80, 74,663,671.20 and 15,707,569.60

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Solution

The fourth proportional to 49,775,780.80, 74,663,671.20 and 15,707,569.60 is: 23,561,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775,780.80 : 74,663,671.20 = 15,707,569.60 : x
  2. Step 2: Convert to fraction form
    49,775,780.80/74,663,671.20 = 15,707,569.60/x
  3. Step 3: Cross multiply
    49,775,780.80x = 74,663,671.20 × 15,707,569.60
  4. Step 4: Simplify right side
    49,775,780.80x = 1,172,784,811,965,515.50
  5. Step 5: Solve for x
    x = 1,172,784,811,965,515.50/49,775,780.80
  6. Step 6: Final answer
    x = 23,561,354.40

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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.