Home / 231,603,647.18-347,416,643.99-76,154,013.61

Finding the Fourth Proportional to 231,603,647.18, 347,416,643.99 and 76,154,013.61

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Solution

The fourth proportional to 231,603,647.18, 347,416,643.99 and 76,154,013.61 is: 114,234,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,603,647.18 : 347,416,643.99 = 76,154,013.61 : x
  2. Step 2: Convert to fraction form
    231,603,647.18/347,416,643.99 = 76,154,013.61/x
  3. Step 3: Cross multiply
    231,603,647.18x = 347,416,643.99 × 76,154,013.61
  4. Step 4: Simplify right side
    231,603,647.18x = 26,457,171,834,076,828
  5. Step 5: Solve for x
    x = 26,457,171,834,076,828/231,603,647.18
  6. Step 6: Final answer
    x = 114,234,694.30

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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.