Home / 230,202,400.80-345,303,601.20-157,642,989.60

Finding the Fourth Proportional to 230,202,400.80, 345,303,601.20 and 157,642,989.60

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Solution

The fourth proportional to 230,202,400.80, 345,303,601.20 and 157,642,989.60 is: 236,464,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,202,400.80 : 345,303,601.20 = 157,642,989.60 : x
  2. Step 2: Convert to fraction form
    230,202,400.80/345,303,601.20 = 157,642,989.60/x
  3. Step 3: Cross multiply
    230,202,400.80x = 345,303,601.20 × 157,642,989.60
  4. Step 4: Simplify right side
    230,202,400.80x = 54,434,692,012,814,144
  5. Step 5: Solve for x
    x = 54,434,692,012,814,144/230,202,400.80
  6. Step 6: Final answer
    x = 236,464,484.40

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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.