Home / 221,318,898.60-332,190,924.30-112,267,205.40

Finding the Fourth Proportional to 221,318,898.60, 332,190,924.30 and 112,267,205.40

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Solution

The fourth proportional to 221,318,898.60, 332,190,924.30 and 112,267,205.40 is: 168,508,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,318,898.60 : 332,190,924.30 = 112,267,205.40 : x
  2. Step 2: Convert to fraction form
    221,318,898.60/332,190,924.30 = 112,267,205.40/x
  3. Step 3: Cross multiply
    221,318,898.60x = 332,190,924.30 × 112,267,205.40
  4. Step 4: Simplify right side
    221,318,898.60x = 37,294,146,730,403,952
  5. Step 5: Solve for x
    x = 37,294,146,730,403,952/221,318,898.60
  6. Step 6: Final answer
    x = 168,508,640.55

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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.