Home / 89,362,272.40-134,043,408.60-55,350,048.40

Finding the Fourth Proportional to 89,362,272.40, 134,043,408.60 and 55,350,048.40

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Solution

The fourth proportional to 89,362,272.40, 134,043,408.60 and 55,350,048.40 is: 83,025,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,362,272.40 : 134,043,408.60 = 55,350,048.40 : x
  2. Step 2: Convert to fraction form
    89,362,272.40/134,043,408.60 = 55,350,048.40/x
  3. Step 3: Cross multiply
    89,362,272.40x = 134,043,408.60 × 55,350,048.40
  4. Step 4: Simplify right side
    89,362,272.40x = 7,419,309,153,710,976
  5. Step 5: Solve for x
    x = 7,419,309,153,710,976/89,362,272.40
  6. Step 6: Final answer
    x = 83,025,072.60

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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.