Home / 113,322,834.90-169,984,252.35-90,648,018.90

Finding the Fourth Proportional to 113,322,834.90, 169,984,252.35 and 90,648,018.90

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Solution

The fourth proportional to 113,322,834.90, 169,984,252.35 and 90,648,018.90 is: 135,972,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,322,834.90 : 169,984,252.35 = 90,648,018.90 : x
  2. Step 2: Convert to fraction form
    113,322,834.90/169,984,252.35 = 90,648,018.90/x
  3. Step 3: Cross multiply
    113,322,834.90x = 169,984,252.35 × 90,648,018.90
  4. Step 4: Simplify right side
    113,322,834.90x = 15,408,735,719,725,170
  5. Step 5: Solve for x
    x = 15,408,735,719,725,170/113,322,834.90
  6. Step 6: Final answer
    x = 135,972,028.35

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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.