Home / 52,150,865.80-78,254,292.30-21,861,790.60

Finding the Fourth Proportional to 52,150,865.80, 78,254,292.30 and 21,861,790.60

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Solution

The fourth proportional to 52,150,865.80, 78,254,292.30 and 21,861,790.60 is: 32,804,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150,865.80 : 78,254,292.30 = 21,861,790.60 : x
  2. Step 2: Convert to fraction form
    52,150,865.80/78,254,292.30 = 21,861,790.60/x
  3. Step 3: Cross multiply
    52,150,865.80x = 78,254,292.30 × 21,861,790.60
  4. Step 4: Simplify right side
    52,150,865.80x = 1,710,778,951,813,792.50
  5. Step 5: Solve for x
    x = 1,710,778,951,813,792.50/52,150,865.80
  6. Step 6: Final answer
    x = 32,804,420.90

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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.