Home / 49,537,208.60-74,305,812.90-20,803,965.20

Finding the Fourth Proportional to 49,537,208.60, 74,305,812.90 and 20,803,965.20

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Solution

The fourth proportional to 49,537,208.60, 74,305,812.90 and 20,803,965.20 is: 31,205,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537,208.60 : 74,305,812.90 = 20,803,965.20 : x
  2. Step 2: Convert to fraction form
    49,537,208.60/74,305,812.90 = 20,803,965.20/x
  3. Step 3: Cross multiply
    49,537,208.60x = 74,305,812.90 × 20,803,965.20
  4. Step 4: Simplify right side
    49,537,208.60x = 1,545,855,545,729,311.25
  5. Step 5: Solve for x
    x = 1,545,855,545,729,311.25/49,537,208.60
  6. Step 6: Final answer
    x = 31,205,947.80

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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.