Home / 72,841,064.80-109,119,879.60-44,001,533.20

Finding the Fourth Proportional to 72,841,064.80, 109,119,879.60 and 44,001,533.20

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Solution

The fourth proportional to 72,841,064.80, 109,119,879.60 and 44,001,533.20 is: 65,916,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,841,064.80 : 109,119,879.60 = 44,001,533.20 : x
  2. Step 2: Convert to fraction form
    72,841,064.80/109,119,879.60 = 44,001,533.20/x
  3. Step 3: Cross multiply
    72,841,064.80x = 109,119,879.60 × 44,001,533.20
  4. Step 4: Simplify right side
    72,841,064.80x = 4,801,442,004,999,403
  5. Step 5: Solve for x
    x = 4,801,442,004,999,403/72,841,064.80
  6. Step 6: Final answer
    x = 65,916,691.61

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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.