Home / 148,608,005.60-222,912,008.40-90,409,311.20

Finding the Fourth Proportional to 148,608,005.60, 222,912,008.40 and 90,409,311.20

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Solution

The fourth proportional to 148,608,005.60, 222,912,008.40 and 90,409,311.20 is: 135,613,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608,005.60 : 222,912,008.40 = 90,409,311.20 : x
  2. Step 2: Convert to fraction form
    148,608,005.60/222,912,008.40 = 90,409,311.20/x
  3. Step 3: Cross multiply
    148,608,005.60x = 222,912,008.40 × 90,409,311.20
  4. Step 4: Simplify right side
    148,608,005.60x = 20,153,321,137,652,616
  5. Step 5: Solve for x
    x = 20,153,321,137,652,616/148,608,005.60
  6. Step 6: Final answer
    x = 135,613,966.80

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1.5x scale

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.