Home / 111,238,130.26-166,823,113.01-76,915,095.29

Finding the Fourth Proportional to 111,238,130.26, 166,823,113.01 and 76,915,095.29

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Solution

The fourth proportional to 111,238,130.26, 166,823,113.01 and 76,915,095.29 is: 115,349,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,238,130.26 : 166,823,113.01 = 76,915,095.29 : x
  2. Step 2: Convert to fraction form
    111,238,130.26/166,823,113.01 = 76,915,095.29/x
  3. Step 3: Cross multiply
    111,238,130.26x = 166,823,113.01 × 76,915,095.29
  4. Step 4: Simplify right side
    111,238,130.26x = 12,831,215,632,904,472
  5. Step 5: Solve for x
    x = 12,831,215,632,904,472/111,238,130.26
  6. Step 6: Final answer
    x = 115,349,076.83

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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.