Home / 258,457,847.12-356,674,105.28-140,983,699.76

Finding the Fourth Proportional to 258,457,847.12, 356,674,105.28 and 140,983,699.76

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Solution

The fourth proportional to 258,457,847.12, 356,674,105.28 and 140,983,699.76 is: 194,558,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,457,847.12 : 356,674,105.28 = 140,983,699.76 : x
  2. Step 2: Convert to fraction form
    258,457,847.12/356,674,105.28 = 140,983,699.76/x
  3. Step 3: Cross multiply
    258,457,847.12x = 356,674,105.28 × 140,983,699.76
  4. Step 4: Simplify right side
    258,457,847.12x = 50,285,234,970,962,144
  5. Step 5: Solve for x
    x = 50,285,234,970,962,144/258,457,847.12
  6. Step 6: Final answer
    x = 194,558,747.32

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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.