Home / 131,489,155.15-197,233,732.73-127,710,019.15

Finding the Fourth Proportional to 131,489,155.15, 197,233,732.73 and 127,710,019.15

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Solution

The fourth proportional to 131,489,155.15, 197,233,732.73 and 127,710,019.15 is: 191,565,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489,155.15 : 197,233,732.73 = 127,710,019.15 : x
  2. Step 2: Convert to fraction form
    131,489,155.15/197,233,732.73 = 127,710,019.15/x
  3. Step 3: Cross multiply
    131,489,155.15x = 197,233,732.73 × 127,710,019.15
  4. Step 4: Simplify right side
    131,489,155.15x = 25,188,723,783,974,280
  5. Step 5: Solve for x
    x = 25,188,723,783,974,280/131,489,155.15
  6. Step 6: Final answer
    x = 191,565,028.73

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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.