Home / 49,425,999.40-74,138,999.10-40,859,957.80

Finding the Fourth Proportional to 49,425,999.40, 74,138,999.10 and 40,859,957.80

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Solution

The fourth proportional to 49,425,999.40, 74,138,999.10 and 40,859,957.80 is: 61,289,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425,999.40 : 74,138,999.10 = 40,859,957.80 : x
  2. Step 2: Convert to fraction form
    49,425,999.40/74,138,999.10 = 40,859,957.80/x
  3. Step 3: Cross multiply
    49,425,999.40x = 74,138,999.10 × 40,859,957.80
  4. Step 4: Simplify right side
    49,425,999.40x = 3,029,316,374,560,237.50
  5. Step 5: Solve for x
    x = 3,029,316,374,560,237.50/49,425,999.40
  6. Step 6: Final answer
    x = 61,289,936.70

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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.