Home / 72,929,844.96-100,674,174.96-45,441,354.48

Finding the Fourth Proportional to 72,929,844.96, 100,674,174.96 and 45,441,354.48

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Solution

The fourth proportional to 72,929,844.96, 100,674,174.96 and 45,441,354.48 is: 62,728,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,844.96 : 100,674,174.96 = 45,441,354.48 : x
  2. Step 2: Convert to fraction form
    72,929,844.96/100,674,174.96 = 45,441,354.48/x
  3. Step 3: Cross multiply
    72,929,844.96x = 100,674,174.96 × 45,441,354.48
  4. Step 4: Simplify right side
    72,929,844.96x = 4,574,770,871,338,899
  5. Step 5: Solve for x
    x = 4,574,770,871,338,899/72,929,844.96
  6. Step 6: Final answer
    x = 62,728,377.85

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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.