Home / 77,526,247.30-116,179,761.06-42,997,861.24

Finding the Fourth Proportional to 77,526,247.30, 116,179,761.06 and 42,997,861.24

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Solution

The fourth proportional to 77,526,247.30, 116,179,761.06 and 42,997,861.24 is: 64,435,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,247.30 : 116,179,761.06 = 42,997,861.24 : x
  2. Step 2: Convert to fraction form
    77,526,247.30/116,179,761.06 = 42,997,861.24/x
  3. Step 3: Cross multiply
    77,526,247.30x = 116,179,761.06 × 42,997,861.24
  4. Step 4: Simplify right side
    77,526,247.30x = 4,995,481,244,663,786
  5. Step 5: Solve for x
    x = 4,995,481,244,663,786/77,526,247.30
  6. Step 6: Final answer
    x = 64,435,999.66

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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.