Home / 105,150,167.82-145,112,802.75-63,347,392.44

Finding the Fourth Proportional to 105,150,167.82, 145,112,802.75 and 63,347,392.44

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Solution

The fourth proportional to 105,150,167.82, 145,112,802.75 and 63,347,392.44 is: 87,422,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,150,167.82 : 145,112,802.75 = 63,347,392.44 : x
  2. Step 2: Convert to fraction form
    105,150,167.82/145,112,802.75 = 63,347,392.44/x
  3. Step 3: Cross multiply
    105,150,167.82x = 145,112,802.75 × 63,347,392.44
  4. Step 4: Simplify right side
    105,150,167.82x = 9,192,517,663,872,560
  5. Step 5: Solve for x
    x = 9,192,517,663,872,560/105,150,167.82
  6. Step 6: Final answer
    x = 87,422,757.89

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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.