Home / 81,079,858.23-121,626,424.88-23,572,059

Finding the Fourth Proportional to 81,079,858.23, 121,626,424.88 and 23,572,059

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Solution

The fourth proportional to 81,079,858.23, 121,626,424.88 and 23,572,059 is: 35,360,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079,858.23 : 121,626,424.88 = 23,572,059 : x
  2. Step 2: Convert to fraction form
    81,079,858.23/121,626,424.88 = 23,572,059/x
  3. Step 3: Cross multiply
    81,079,858.23x = 121,626,424.88 × 23,572,059
  4. Step 4: Simplify right side
    81,079,858.23x = 2,866,985,263,230,428
  5. Step 5: Solve for x
    x = 2,866,985,263,230,428/81,079,858.23
  6. Step 6: Final answer
    x = 35,360,018.21

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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.