Home / 190,128,530.20-285,192,795.30-88,091,858.20

Finding the Fourth Proportional to 190,128,530.20, 285,192,795.30 and 88,091,858.20

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Solution

The fourth proportional to 190,128,530.20, 285,192,795.30 and 88,091,858.20 is: 132,137,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128,530.20 : 285,192,795.30 = 88,091,858.20 : x
  2. Step 2: Convert to fraction form
    190,128,530.20/285,192,795.30 = 88,091,858.20/x
  3. Step 3: Cross multiply
    190,128,530.20x = 285,192,795.30 × 88,091,858.20
  4. Step 4: Simplify right side
    190,128,530.20x = 25,123,163,283,229,228
  5. Step 5: Solve for x
    x = 25,123,163,283,229,228/190,128,530.20
  6. Step 6: Final answer
    x = 132,137,787.30

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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.