Home / 305,156,815.30-457,692,105.40-97,868,286.46

Finding the Fourth Proportional to 305,156,815.30, 457,692,105.40 and 97,868,286.46

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Solution

The fourth proportional to 305,156,815.30, 457,692,105.40 and 97,868,286.46 is: 146,788,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,156,815.30 : 457,692,105.40 = 97,868,286.46 : x
  2. Step 2: Convert to fraction form
    305,156,815.30/457,692,105.40 = 97,868,286.46/x
  3. Step 3: Cross multiply
    305,156,815.30x = 457,692,105.40 × 97,868,286.46
  4. Step 4: Simplify right side
    305,156,815.30x = 44,793,542,081,767,704
  5. Step 5: Solve for x
    x = 44,793,542,081,767,704/305,156,815.30
  6. Step 6: Final answer
    x = 146,788,601.26

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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.