Home / 90,288,559.82-124,605,896.78-51,137,301.36

Finding the Fourth Proportional to 90,288,559.82, 124,605,896.78 and 51,137,301.36

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Solution

The fourth proportional to 90,288,559.82, 124,605,896.78 and 51,137,301.36 is: 70,573,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288,559.82 : 124,605,896.78 = 51,137,301.36 : x
  2. Step 2: Convert to fraction form
    90,288,559.82/124,605,896.78 = 51,137,301.36/x
  3. Step 3: Cross multiply
    90,288,559.82x = 124,605,896.78 × 51,137,301.36
  4. Step 4: Simplify right side
    90,288,559.82x = 6,372,009,294,871,914
  5. Step 5: Solve for x
    x = 6,372,009,294,871,914/90,288,559.82
  6. Step 6: Final answer
    x = 70,573,828.04

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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.