Home / 55,490,603.60-83,235,905.40-17,155,992.80

Finding the Fourth Proportional to 55,490,603.60, 83,235,905.40 and 17,155,992.80

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Solution

The fourth proportional to 55,490,603.60, 83,235,905.40 and 17,155,992.80 is: 25,733,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490,603.60 : 83,235,905.40 = 17,155,992.80 : x
  2. Step 2: Convert to fraction form
    55,490,603.60/83,235,905.40 = 17,155,992.80/x
  3. Step 3: Cross multiply
    55,490,603.60x = 83,235,905.40 × 17,155,992.80
  4. Step 4: Simplify right side
    55,490,603.60x = 1,427,994,593,743,881.25
  5. Step 5: Solve for x
    x = 1,427,994,593,743,881.25/55,490,603.60
  6. Step 6: Final answer
    x = 25,733,989.20

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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.