Home / 305,115,974.01-457,624,928.40-83,735,589.91

Finding the Fourth Proportional to 305,115,974.01, 457,624,928.40 and 83,735,589.91

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Solution

The fourth proportional to 305,115,974.01, 457,624,928.40 and 83,735,589.91 is: 125,589,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,115,974.01 : 457,624,928.40 = 83,735,589.91 : x
  2. Step 2: Convert to fraction form
    305,115,974.01/457,624,928.40 = 83,735,589.91/x
  3. Step 3: Cross multiply
    305,115,974.01x = 457,624,928.40 × 83,735,589.91
  4. Step 4: Simplify right side
    305,115,974.01x = 38,319,493,337,095,512
  5. Step 5: Solve for x
    x = 38,319,493,337,095,512/305,115,974.01
  6. Step 6: Final answer
    x = 125,589,928.42

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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.