Home / 58,259,831.40-87,389,747.10-19,917,930.60

Finding the Fourth Proportional to 58,259,831.40, 87,389,747.10 and 19,917,930.60

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Solution

The fourth proportional to 58,259,831.40, 87,389,747.10 and 19,917,930.60 is: 29,876,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259,831.40 : 87,389,747.10 = 19,917,930.60 : x
  2. Step 2: Convert to fraction form
    58,259,831.40/87,389,747.10 = 19,917,930.60/x
  3. Step 3: Cross multiply
    58,259,831.40x = 87,389,747.10 × 19,917,930.60
  4. Step 4: Simplify right side
    58,259,831.40x = 1,740,622,917,889,351.25
  5. Step 5: Solve for x
    x = 1,740,622,917,889,351.25/58,259,831.40
  6. Step 6: Final answer
    x = 29,876,895.90

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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.