Home / 101,680,912.14-140,319,749.15-55,271,166.04

Finding the Fourth Proportional to 101,680,912.14, 140,319,749.15 and 55,271,166.04

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Solution

The fourth proportional to 101,680,912.14, 140,319,749.15 and 55,271,166.04 is: 76,274,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680,912.14 : 140,319,749.15 = 55,271,166.04 : x
  2. Step 2: Convert to fraction form
    101,680,912.14/140,319,749.15 = 55,271,166.04/x
  3. Step 3: Cross multiply
    101,680,912.14x = 140,319,749.15 × 55,271,166.04
  4. Step 4: Simplify right side
    101,680,912.14x = 7,755,636,153,960,799
  5. Step 5: Solve for x
    x = 7,755,636,153,960,799/101,680,912.14
  6. Step 6: Final answer
    x = 76,274,258.27

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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.