Home / 150,603,456.59-207,915,236.95-105,409,759.80

Finding the Fourth Proportional to 150,603,456.59, 207,915,236.95 and 105,409,759.80

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Solution

The fourth proportional to 150,603,456.59, 207,915,236.95 and 105,409,759.80 is: 145,523,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,603,456.59 : 207,915,236.95 = 105,409,759.80 : x
  2. Step 2: Convert to fraction form
    150,603,456.59/207,915,236.95 = 105,409,759.80/x
  3. Step 3: Cross multiply
    150,603,456.59x = 207,915,236.95 × 105,409,759.80
  4. Step 4: Simplify right side
    150,603,456.59x = 21,916,295,185,659,584
  5. Step 5: Solve for x
    x = 21,916,295,185,659,584/150,603,456.59
  6. Step 6: Final answer
    x = 145,523,188.40

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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.