Home / 208,569,887.84-312,854,832.32-111,230,694.24

Finding the Fourth Proportional to 208,569,887.84, 312,854,832.32 and 111,230,694.24

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Solution

The fourth proportional to 208,569,887.84, 312,854,832.32 and 111,230,694.24 is: 166,846,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,569,887.84 : 312,854,832.32 = 111,230,694.24 : x
  2. Step 2: Convert to fraction form
    208,569,887.84/312,854,832.32 = 111,230,694.24/x
  3. Step 3: Cross multiply
    208,569,887.84x = 312,854,832.32 × 111,230,694.24
  4. Step 4: Simplify right side
    208,569,887.84x = 34,799,060,195,292,388
  5. Step 5: Solve for x
    x = 34,799,060,195,292,388/208,569,887.84
  6. Step 6: Final answer
    x = 166,846,041.66

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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.