Home / 61,094,137.70-91,641,206.55-20,704,621.70

Finding the Fourth Proportional to 61,094,137.70, 91,641,206.55 and 20,704,621.70

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Solution

The fourth proportional to 61,094,137.70, 91,641,206.55 and 20,704,621.70 is: 31,056,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,094,137.70 : 91,641,206.55 = 20,704,621.70 : x
  2. Step 2: Convert to fraction form
    61,094,137.70/91,641,206.55 = 20,704,621.70/x
  3. Step 3: Cross multiply
    61,094,137.70x = 91,641,206.55 × 20,704,621.70
  4. Step 4: Simplify right side
    61,094,137.70x = 1,897,396,513,749,312
  5. Step 5: Solve for x
    x = 1,897,396,513,749,312/61,094,137.70
  6. Step 6: Final answer
    x = 31,056,932.55

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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.