Home / 98,885,679.81-136,452,405.85-57,083,212.37

Finding the Fourth Proportional to 98,885,679.81, 136,452,405.85 and 57,083,212.37

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Solution

The fourth proportional to 98,885,679.81, 136,452,405.85 and 57,083,212.37 is: 78,769,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,885,679.81 : 136,452,405.85 = 57,083,212.37 : x
  2. Step 2: Convert to fraction form
    98,885,679.81/136,452,405.85 = 57,083,212.37/x
  3. Step 3: Cross multiply
    98,885,679.81x = 136,452,405.85 × 57,083,212.37
  4. Step 4: Simplify right side
    98,885,679.81x = 7,789,141,661,284,802
  5. Step 5: Solve for x
    x = 7,789,141,661,284,802/98,885,679.81
  6. Step 6: Final answer
    x = 78,769,157.23

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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.