Home / 146,702,966.40-220,054,449.60-131,397,465.60

Finding the Fourth Proportional to 146,702,966.40, 220,054,449.60 and 131,397,465.60

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Solution

The fourth proportional to 146,702,966.40, 220,054,449.60 and 131,397,465.60 is: 197,096,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,702,966.40 : 220,054,449.60 = 131,397,465.60 : x
  2. Step 2: Convert to fraction form
    146,702,966.40/220,054,449.60 = 131,397,465.60/x
  3. Step 3: Cross multiply
    146,702,966.40x = 220,054,449.60 × 131,397,465.60
  4. Step 4: Simplify right side
    146,702,966.40x = 28,914,596,971,442,932
  5. Step 5: Solve for x
    x = 28,914,596,971,442,932/146,702,966.40
  6. Step 6: Final answer
    x = 197,096,198.40

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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.