Home / 107,850,774.76-148,861,751.34-66,573,949.12

Finding the Fourth Proportional to 107,850,774.76, 148,861,751.34 and 66,573,949.12

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Solution

The fourth proportional to 107,850,774.76, 148,861,751.34 and 66,573,949.12 is: 91,889,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,850,774.76 : 148,861,751.34 = 66,573,949.12 : x
  2. Step 2: Convert to fraction form
    107,850,774.76/148,861,751.34 = 66,573,949.12/x
  3. Step 3: Cross multiply
    107,850,774.76x = 148,861,751.34 × 66,573,949.12
  4. Step 4: Simplify right side
    107,850,774.76x = 9,910,314,659,623,252
  5. Step 5: Solve for x
    x = 9,910,314,659,623,252/107,850,774.76
  6. Step 6: Final answer
    x = 91,889,137.39

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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.