Home / 146,790,359.20-220,353,500.40-86,240,202.40

Finding the Fourth Proportional to 146,790,359.20, 220,353,500.40 and 86,240,202.40

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Solution

The fourth proportional to 146,790,359.20, 220,353,500.40 and 86,240,202.40 is: 129,458,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790,359.20 : 220,353,500.40 = 86,240,202.40 : x
  2. Step 2: Convert to fraction form
    146,790,359.20/220,353,500.40 = 86,240,202.40/x
  3. Step 3: Cross multiply
    146,790,359.20x = 220,353,500.40 × 86,240,202.40
  4. Step 4: Simplify right side
    146,790,359.20x = 19,003,330,474,044,484
  5. Step 5: Solve for x
    x = 19,003,330,474,044,484/146,790,359.20
  6. Step 6: Final answer
    x = 129,458,982.03

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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.