Home / 72,427,586.40-108,641,379.60-64,365,429.60

Finding the Fourth Proportional to 72,427,586.40, 108,641,379.60 and 64,365,429.60

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Solution

The fourth proportional to 72,427,586.40, 108,641,379.60 and 64,365,429.60 is: 96,548,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,586.40 : 108,641,379.60 = 64,365,429.60 : x
  2. Step 2: Convert to fraction form
    72,427,586.40/108,641,379.60 = 64,365,429.60/x
  3. Step 3: Cross multiply
    72,427,586.40x = 108,641,379.60 × 64,365,429.60
  4. Step 4: Simplify right side
    72,427,586.40x = 6,992,749,070,290,676
  5. Step 5: Solve for x
    x = 6,992,749,070,290,676/72,427,586.40
  6. Step 6: Final answer
    x = 96,548,144.40

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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.