Home / 70,066,076.31-96,689,311.97-38,703,450.29

Finding the Fourth Proportional to 70,066,076.31, 96,689,311.97 and 38,703,450.29

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Solution

The fourth proportional to 70,066,076.31, 96,689,311.97 and 38,703,450.29 is: 53,409,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066,076.31 : 96,689,311.97 = 38,703,450.29 : x
  2. Step 2: Convert to fraction form
    70,066,076.31/96,689,311.97 = 38,703,450.29/x
  3. Step 3: Cross multiply
    70,066,076.31x = 96,689,311.97 × 38,703,450.29
  4. Step 4: Simplify right side
    70,066,076.31x = 3,742,209,978,728,233
  5. Step 5: Solve for x
    x = 3,742,209,978,728,233/70,066,076.31
  6. Step 6: Final answer
    x = 53,409,726.59

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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.