Home / 49,537,209.60-74,305,814.40-20,803,966.20

Finding the Fourth Proportional to 49,537,209.60, 74,305,814.40 and 20,803,966.20

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Solution

The fourth proportional to 49,537,209.60, 74,305,814.40 and 20,803,966.20 is: 31,205,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537,209.60 : 74,305,814.40 = 20,803,966.20 : x
  2. Step 2: Convert to fraction form
    49,537,209.60/74,305,814.40 = 20,803,966.20/x
  3. Step 3: Cross multiply
    49,537,209.60x = 74,305,814.40 × 20,803,966.20
  4. Step 4: Simplify right side
    49,537,209.60x = 1,545,855,651,241,073.25
  5. Step 5: Solve for x
    x = 1,545,855,651,241,073.25/49,537,209.60
  6. Step 6: Final answer
    x = 31,205,949.30

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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.