Home / 70,665,289.10-105,997,970.62-22,146,921.68

Finding the Fourth Proportional to 70,665,289.10, 105,997,970.62 and 22,146,921.68

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Solution

The fourth proportional to 70,665,289.10, 105,997,970.62 and 22,146,921.68 is: 33,220,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665,289.10 : 105,997,970.62 = 22,146,921.68 : x
  2. Step 2: Convert to fraction form
    70,665,289.10/105,997,970.62 = 22,146,921.68/x
  3. Step 3: Cross multiply
    70,665,289.10x = 105,997,970.62 × 22,146,921.68
  4. Step 4: Simplify right side
    70,665,289.10x = 2,347,528,753,560,081
  5. Step 5: Solve for x
    x = 2,347,528,753,560,081/70,665,289.10
  6. Step 6: Final answer
    x = 33,220,394.11

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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.