Home / 137,819,687.10-190,199,640.15-75,940,009.26

Finding the Fourth Proportional to 137,819,687.10, 190,199,640.15 and 75,940,009.26

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Solution

The fourth proportional to 137,819,687.10, 190,199,640.15 and 75,940,009.26 is: 104,801,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,819,687.10 : 190,199,640.15 = 75,940,009.26 : x
  2. Step 2: Convert to fraction form
    137,819,687.10/190,199,640.15 = 75,940,009.26/x
  3. Step 3: Cross multiply
    137,819,687.10x = 190,199,640.15 × 75,940,009.26
  4. Step 4: Simplify right side
    137,819,687.10x = 14,443,762,434,239,670
  5. Step 5: Solve for x
    x = 14,443,762,434,239,670/137,819,687.10
  6. Step 6: Final answer
    x = 104,801,880.91

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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.