Home / 258,457,806.10-356,674,048.70-140,983,658.78

Finding the Fourth Proportional to 258,457,806.10, 356,674,048.70 and 140,983,658.78

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Solution

The fourth proportional to 258,457,806.10, 356,674,048.70 and 140,983,658.78 is: 194,558,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,457,806.10 : 356,674,048.70 = 140,983,658.78 : x
  2. Step 2: Convert to fraction form
    258,457,806.10/356,674,048.70 = 140,983,658.78/x
  3. Step 3: Cross multiply
    258,457,806.10x = 356,674,048.70 × 140,983,658.78
  4. Step 4: Simplify right side
    258,457,806.10x = 50,285,212,377,601,904
  5. Step 5: Solve for x
    x = 50,285,212,377,601,904/258,457,806.10
  6. Step 6: Final answer
    x = 194,558,690.79

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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.