Home / 145,446,512.52-218,204,410.86-54,570,888.84

Finding the Fourth Proportional to 145,446,512.52, 218,204,410.86 and 54,570,888.84

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Solution

The fourth proportional to 145,446,512.52, 218,204,410.86 and 54,570,888.84 is: 81,869,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,446,512.52 : 218,204,410.86 = 54,570,888.84 : x
  2. Step 2: Convert to fraction form
    145,446,512.52/218,204,410.86 = 54,570,888.84/x
  3. Step 3: Cross multiply
    145,446,512.52x = 218,204,410.86 × 54,570,888.84
  4. Step 4: Simplify right side
    145,446,512.52x = 11,907,608,649,438,750
  5. Step 5: Solve for x
    x = 11,907,608,649,438,750/145,446,512.52
  6. Step 6: Final answer
    x = 81,869,330.82

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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.