Home / 72,179,223.12-99,598,121.64-41,241,396.24

Finding the Fourth Proportional to 72,179,223.12, 99,598,121.64 and 41,241,396.24

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Solution

The fourth proportional to 72,179,223.12, 99,598,121.64 and 41,241,396.24 is: 56,907,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,179,223.12 : 99,598,121.64 = 41,241,396.24 : x
  2. Step 2: Convert to fraction form
    72,179,223.12/99,598,121.64 = 41,241,396.24/x
  3. Step 3: Cross multiply
    72,179,223.12x = 99,598,121.64 × 41,241,396.24
  4. Step 4: Simplify right side
    72,179,223.12x = 4,107,565,599,314,959
  5. Step 5: Solve for x
    x = 4,107,565,599,314,959/72,179,223.12
  6. Step 6: Final answer
    x = 56,907,866.58

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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.