Home / 190,064,171.72-262,288,546.26-103,144,043.72

Finding the Fourth Proportional to 190,064,171.72, 262,288,546.26 and 103,144,043.72

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Solution

The fourth proportional to 190,064,171.72, 262,288,546.26 and 103,144,043.72 is: 142,338,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064,171.72 : 262,288,546.26 = 103,144,043.72 : x
  2. Step 2: Convert to fraction form
    190,064,171.72/262,288,546.26 = 103,144,043.72/x
  3. Step 3: Cross multiply
    190,064,171.72x = 262,288,546.26 × 103,144,043.72
  4. Step 4: Simplify right side
    190,064,171.72x = 27,053,501,282,696,680
  5. Step 5: Solve for x
    x = 27,053,501,282,696,680/190,064,171.72
  6. Step 6: Final answer
    x = 142,338,774.52

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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.