Home / 163,375,082.82-225,457,610.76-90,036,224.82

Finding the Fourth Proportional to 163,375,082.82, 225,457,610.76 and 90,036,224.82

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Solution

The fourth proportional to 163,375,082.82, 225,457,610.76 and 90,036,224.82 is: 124,249,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,375,082.82 : 225,457,610.76 = 90,036,224.82 : x
  2. Step 2: Convert to fraction form
    163,375,082.82/225,457,610.76 = 90,036,224.82/x
  3. Step 3: Cross multiply
    163,375,082.82x = 225,457,610.76 × 90,036,224.82
  4. Step 4: Simplify right side
    163,375,082.82x = 20,299,352,129,767,408
  5. Step 5: Solve for x
    x = 20,299,352,129,767,408/163,375,082.82
  6. Step 6: Final answer
    x = 124,249,988.31

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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.