Home / 172,113,831.72-258,225,323.82-61,447,127.52

Finding the Fourth Proportional to 172,113,831.72, 258,225,323.82 and 61,447,127.52

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Solution

The fourth proportional to 172,113,831.72, 258,225,323.82 and 61,447,127.52 is: 92,190,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,113,831.72 : 258,225,323.82 = 61,447,127.52 : x
  2. Step 2: Convert to fraction form
    172,113,831.72/258,225,323.82 = 61,447,127.52/x
  3. Step 3: Cross multiply
    172,113,831.72x = 258,225,323.82 × 61,447,127.52
  4. Step 4: Simplify right side
    172,113,831.72x = 15,867,204,401,660,834
  5. Step 5: Solve for x
    x = 15,867,204,401,660,834/172,113,831.72
  6. Step 6: Final answer
    x = 92,190,175.79

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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.