Home / 120,262,270.26-165,962,388.15-65,258,126.76

Finding the Fourth Proportional to 120,262,270.26, 165,962,388.15 and 65,258,126.76

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Solution

The fourth proportional to 120,262,270.26, 165,962,388.15 and 65,258,126.76 is: 90,056,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262,270.26 : 165,962,388.15 = 65,258,126.76 : x
  2. Step 2: Convert to fraction form
    120,262,270.26/165,962,388.15 = 65,258,126.76/x
  3. Step 3: Cross multiply
    120,262,270.26x = 165,962,388.15 × 65,258,126.76
  4. Step 4: Simplify right side
    120,262,270.26x = 10,830,394,563,285,022
  5. Step 5: Solve for x
    x = 10,830,394,563,285,022/120,262,270.26
  6. Step 6: Final answer
    x = 90,056,461.93

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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.