Home / 52,150,905.80-78,254,352.30-21,861,830.60

Finding the Fourth Proportional to 52,150,905.80, 78,254,352.30 and 21,861,830.60

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Solution

The fourth proportional to 52,150,905.80, 78,254,352.30 and 21,861,830.60 is: 32,804,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150,905.80 : 78,254,352.30 = 21,861,830.60 : x
  2. Step 2: Convert to fraction form
    52,150,905.80/78,254,352.30 = 21,861,830.60/x
  3. Step 3: Cross multiply
    52,150,905.80x = 78,254,352.30 × 21,861,830.60
  4. Step 4: Simplify right side
    52,150,905.80x = 1,710,783,393,695,320.50
  5. Step 5: Solve for x
    x = 1,710,783,393,695,320.50/52,150,905.80
  6. Step 6: Final answer
    x = 32,804,480.91

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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.