Home / 70,665,285.60-105,997,965.36-22,146,918.18

Finding the Fourth Proportional to 70,665,285.60, 105,997,965.36 and 22,146,918.18

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Solution

The fourth proportional to 70,665,285.60, 105,997,965.36 and 22,146,918.18 is: 33,220,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665,285.60 : 105,997,965.36 = 22,146,918.18 : x
  2. Step 2: Convert to fraction form
    70,665,285.60/105,997,965.36 = 22,146,918.18/x
  3. Step 3: Cross multiply
    70,665,285.60x = 105,997,965.36 × 22,146,918.18
  4. Step 4: Simplify right side
    70,665,285.60x = 2,347,528,266,074,394
  5. Step 5: Solve for x
    x = 2,347,528,266,074,394/70,665,285.60
  6. Step 6: Final answer
    x = 33,220,388.85

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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.