Home / 150,603,456.83-207,915,237.29-105,409,760.05

Finding the Fourth Proportional to 150,603,456.83, 207,915,237.29 and 105,409,760.05

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Solution

The fourth proportional to 150,603,456.83, 207,915,237.29 and 105,409,760.05 is: 145,523,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,603,456.83 : 207,915,237.29 = 105,409,760.05 : x
  2. Step 2: Convert to fraction form
    150,603,456.83/207,915,237.29 = 105,409,760.05/x
  3. Step 3: Cross multiply
    150,603,456.83x = 207,915,237.29 × 105,409,760.05
  4. Step 4: Simplify right side
    150,603,456.83x = 21,916,295,273,221,448
  5. Step 5: Solve for x
    x = 21,916,295,273,221,448/150,603,456.83
  6. Step 6: Final answer
    x = 145,523,188.74

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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.