Home / 72,432,190.80-108,648,286.20-23,917,532.40

Finding the Fourth Proportional to 72,432,190.80, 108,648,286.20 and 23,917,532.40

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Solution

The fourth proportional to 72,432,190.80, 108,648,286.20 and 23,917,532.40 is: 35,876,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,432,190.80 : 108,648,286.20 = 23,917,532.40 : x
  2. Step 2: Convert to fraction form
    72,432,190.80/108,648,286.20 = 23,917,532.40/x
  3. Step 3: Cross multiply
    72,432,190.80x = 108,648,286.20 × 23,917,532.40
  4. Step 4: Simplify right side
    72,432,190.80x = 2,598,598,905,392,973
  5. Step 5: Solve for x
    x = 2,598,598,905,392,973/72,432,190.80
  6. Step 6: Final answer
    x = 35,876,298.60

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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.