Home / 118,098,600.30-177,147,900.45-103,749,693.30

Finding the Fourth Proportional to 118,098,600.30, 177,147,900.45 and 103,749,693.30

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Solution

The fourth proportional to 118,098,600.30, 177,147,900.45 and 103,749,693.30 is: 155,624,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,600.30 : 177,147,900.45 = 103,749,693.30 : x
  2. Step 2: Convert to fraction form
    118,098,600.30/177,147,900.45 = 103,749,693.30/x
  3. Step 3: Cross multiply
    118,098,600.30x = 177,147,900.45 × 103,749,693.30
  4. Step 4: Simplify right side
    118,098,600.30x = 18,379,040,340,426,432
  5. Step 5: Solve for x
    x = 18,379,040,340,426,432/118,098,600.30
  6. Step 6: Final answer
    x = 155,624,539.95

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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.