Home / 52,409,790.50-72,325,798.70-30,396,343.68

Finding the Fourth Proportional to 52,409,790.50, 72,325,798.70 and 30,396,343.68

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Solution

The fourth proportional to 52,409,790.50, 72,325,798.70 and 30,396,343.68 is: 41,947,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409,790.50 : 72,325,798.70 = 30,396,343.68 : x
  2. Step 2: Convert to fraction form
    52,409,790.50/72,325,798.70 = 30,396,343.68/x
  3. Step 3: Cross multiply
    52,409,790.50x = 72,325,798.70 × 30,396,343.68
  4. Step 4: Simplify right side
    52,409,790.50x = 2,198,439,834,063,715.25
  5. Step 5: Solve for x
    x = 2,198,439,834,063,715.25/52,409,790.50
  6. Step 6: Final answer
    x = 41,947,121.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.