Home / 49,824,496.80-74,736,745.20-45,519,824.70

Finding the Fourth Proportional to 49,824,496.80, 74,736,745.20 and 45,519,824.70

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Solution

The fourth proportional to 49,824,496.80, 74,736,745.20 and 45,519,824.70 is: 68,279,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,824,496.80 : 74,736,745.20 = 45,519,824.70 : x
  2. Step 2: Convert to fraction form
    49,824,496.80/74,736,745.20 = 45,519,824.70/x
  3. Step 3: Cross multiply
    49,824,496.80x = 74,736,745.20 × 45,519,824.70
  4. Step 4: Simplify right side
    49,824,496.80x = 3,402,003,540,152,567
  5. Step 5: Solve for x
    x = 3,402,003,540,152,567/49,824,496.80
  6. Step 6: Final answer
    x = 68,279,737.05

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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.