Home / 66,443,360.30-99,665,040.45-43,485,109.10

Finding the Fourth Proportional to 66,443,360.30, 99,665,040.45 and 43,485,109.10

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Solution

The fourth proportional to 66,443,360.30, 99,665,040.45 and 43,485,109.10 is: 65,227,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,360.30 : 99,665,040.45 = 43,485,109.10 : x
  2. Step 2: Convert to fraction form
    66,443,360.30/99,665,040.45 = 43,485,109.10/x
  3. Step 3: Cross multiply
    66,443,360.30x = 99,665,040.45 × 43,485,109.10
  4. Step 4: Simplify right side
    66,443,360.30x = 4,333,945,157,424,163.50
  5. Step 5: Solve for x
    x = 4,333,945,157,424,163.50/66,443,360.30
  6. Step 6: Final answer
    x = 65,227,663.65

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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.