Home / 164,774,575.20-247,161,862.80-126,628,629.60

Finding the Fourth Proportional to 164,774,575.20, 247,161,862.80 and 126,628,629.60

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Solution

The fourth proportional to 164,774,575.20, 247,161,862.80 and 126,628,629.60 is: 189,942,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,774,575.20 : 247,161,862.80 = 126,628,629.60 : x
  2. Step 2: Convert to fraction form
    164,774,575.20/247,161,862.80 = 126,628,629.60/x
  3. Step 3: Cross multiply
    164,774,575.20x = 247,161,862.80 × 126,628,629.60
  4. Step 4: Simplify right side
    164,774,575.20x = 31,297,767,975,747,220
  5. Step 5: Solve for x
    x = 31,297,767,975,747,220/164,774,575.20
  6. Step 6: Final answer
    x = 189,942,944.40

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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.