Home / 140,441,542.32-193,809,647.26-77,722,204.10

Finding the Fourth Proportional to 140,441,542.32, 193,809,647.26 and 77,722,204.10

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Solution

The fourth proportional to 140,441,542.32, 193,809,647.26 and 77,722,204.10 is: 107,256,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,542.32 : 193,809,647.26 = 77,722,204.10 : x
  2. Step 2: Convert to fraction form
    140,441,542.32/193,809,647.26 = 77,722,204.10/x
  3. Step 3: Cross multiply
    140,441,542.32x = 193,809,647.26 × 77,722,204.10
  4. Step 4: Simplify right side
    140,441,542.32x = 15,063,312,960,890,724
  5. Step 5: Solve for x
    x = 15,063,312,960,890,724/140,441,542.32
  6. Step 6: Final answer
    x = 107,256,818.12

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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.