Home / 57,957,769.20-86,936,653.80-31,083,913.20

Finding the Fourth Proportional to 57,957,769.20, 86,936,653.80 and 31,083,913.20

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Solution

The fourth proportional to 57,957,769.20, 86,936,653.80 and 31,083,913.20 is: 46,625,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957,769.20 : 86,936,653.80 = 31,083,913.20 : x
  2. Step 2: Convert to fraction form
    57,957,769.20/86,936,653.80 = 31,083,913.20/x
  3. Step 3: Cross multiply
    57,957,769.20x = 86,936,653.80 × 31,083,913.20
  4. Step 4: Simplify right side
    57,957,769.20x = 2,702,331,400,617,650
  5. Step 5: Solve for x
    x = 2,702,331,400,617,650/57,957,769.20
  6. Step 6: Final answer
    x = 46,625,869.80

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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.