Home / 52,149,362.20-78,168,056.10-19,788,760.60

Finding the Fourth Proportional to 52,149,362.20, 78,168,056.10 and 19,788,760.60

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Solution

The fourth proportional to 52,149,362.20, 78,168,056.10 and 19,788,760.60 is: 29,661,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149,362.20 : 78,168,056.10 = 19,788,760.60 : x
  2. Step 2: Convert to fraction form
    52,149,362.20/78,168,056.10 = 19,788,760.60/x
  3. Step 3: Cross multiply
    52,149,362.20x = 78,168,056.10 × 19,788,760.60
  4. Step 4: Simplify right side
    52,149,362.20x = 1,546,848,948,730,269.75
  5. Step 5: Solve for x
    x = 1,546,848,948,730,269.75/52,149,362.20
  6. Step 6: Final answer
    x = 29,661,895.82

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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.