Home / 257,933,091.40-386,395,752.30-155,392,534.60

Finding the Fourth Proportional to 257,933,091.40, 386,395,752.30 and 155,392,534.60

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Solution

The fourth proportional to 257,933,091.40, 386,395,752.30 and 155,392,534.60 is: 232,785,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,933,091.40 : 386,395,752.30 = 155,392,534.60 : x
  2. Step 2: Convert to fraction form
    257,933,091.40/386,395,752.30 = 155,392,534.60/x
  3. Step 3: Cross multiply
    257,933,091.40x = 386,395,752.30 × 155,392,534.60
  4. Step 4: Simplify right side
    257,933,091.40x = 60,043,015,308,570,776
  5. Step 5: Solve for x
    x = 60,043,015,308,570,776/257,933,091.40
  6. Step 6: Final answer
    x = 232,785,235.05

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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.