Home / 99,353,509.38-137,084,389.29-83,518,797.30

Finding the Fourth Proportional to 99,353,509.38, 137,084,389.29 and 83,518,797.30

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Solution

The fourth proportional to 99,353,509.38, 137,084,389.29 and 83,518,797.30 is: 115,236,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,353,509.38 : 137,084,389.29 = 83,518,797.30 : x
  2. Step 2: Convert to fraction form
    99,353,509.38/137,084,389.29 = 83,518,797.30/x
  3. Step 3: Cross multiply
    99,353,509.38x = 137,084,389.29 × 83,518,797.30
  4. Step 4: Simplify right side
    99,353,509.38x = 11,449,123,321,591,734
  5. Step 5: Solve for x
    x = 11,449,123,321,591,734/99,353,509.38
  6. Step 6: Final answer
    x = 115,236,224.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.