Home / 55,632,009.60-83,448,014.40-38,413,321.20

Finding the Fourth Proportional to 55,632,009.60, 83,448,014.40 and 38,413,321.20

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Solution

The fourth proportional to 55,632,009.60, 83,448,014.40 and 38,413,321.20 is: 57,619,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632,009.60 : 83,448,014.40 = 38,413,321.20 : x
  2. Step 2: Convert to fraction form
    55,632,009.60/83,448,014.40 = 38,413,321.20/x
  3. Step 3: Cross multiply
    55,632,009.60x = 83,448,014.40 × 38,413,321.20
  4. Step 4: Simplify right side
    55,632,009.60x = 3,205,515,380,649,426
  5. Step 5: Solve for x
    x = 3,205,515,380,649,426/55,632,009.60
  6. Step 6: Final answer
    x = 57,619,981.80

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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.