Home / 136,608,010.40-204,912,015.60-55,886,909.60

Finding the Fourth Proportional to 136,608,010.40, 204,912,015.60 and 55,886,909.60

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Solution

The fourth proportional to 136,608,010.40, 204,912,015.60 and 55,886,909.60 is: 83,830,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,608,010.40 : 204,912,015.60 = 55,886,909.60 : x
  2. Step 2: Convert to fraction form
    136,608,010.40/204,912,015.60 = 55,886,909.60/x
  3. Step 3: Cross multiply
    136,608,010.40x = 204,912,015.60 × 55,886,909.60
  4. Step 4: Simplify right side
    136,608,010.40x = 11,451,899,291,790,990
  5. Step 5: Solve for x
    x = 11,451,899,291,790,990/136,608,010.40
  6. Step 6: Final answer
    x = 83,830,364.40

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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.