Home / 81,029,242.44-111,820,340.70-43,859,515.32

Finding the Fourth Proportional to 81,029,242.44, 111,820,340.70 and 43,859,515.32

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Solution

The fourth proportional to 81,029,242.44, 111,820,340.70 and 43,859,515.32 is: 60,526,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,029,242.44 : 111,820,340.70 = 43,859,515.32 : x
  2. Step 2: Convert to fraction form
    81,029,242.44/111,820,340.70 = 43,859,515.32/x
  3. Step 3: Cross multiply
    81,029,242.44x = 111,820,340.70 × 43,859,515.32
  4. Step 4: Simplify right side
    81,029,242.44x = 4,904,385,946,019,270
  5. Step 5: Solve for x
    x = 4,904,385,946,019,270/81,029,242.44
  6. Step 6: Final answer
    x = 60,526,123.64

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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.