Home / 72,350,630.40-108,525,945.60-43,652,816.40

Finding the Fourth Proportional to 72,350,630.40, 108,525,945.60 and 43,652,816.40

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Solution

The fourth proportional to 72,350,630.40, 108,525,945.60 and 43,652,816.40 is: 65,479,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,350,630.40 : 108,525,945.60 = 43,652,816.40 : x
  2. Step 2: Convert to fraction form
    72,350,630.40/108,525,945.60 = 43,652,816.40/x
  3. Step 3: Cross multiply
    72,350,630.40x = 108,525,945.60 × 43,652,816.40
  4. Step 4: Simplify right side
    72,350,630.40x = 4,737,463,177,913,187
  5. Step 5: Solve for x
    x = 4,737,463,177,913,187/72,350,630.40
  6. Step 6: Final answer
    x = 65,479,224.60

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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.