Home / 72,760,528.86-108,583,945.71-64,996,987.77

Finding the Fourth Proportional to 72,760,528.86, 108,583,945.71 and 64,996,987.77

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Solution

The fourth proportional to 72,760,528.86, 108,583,945.71 and 64,996,987.77 is: 96,998,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,760,528.86 : 108,583,945.71 = 64,996,987.77 : x
  2. Step 2: Convert to fraction form
    72,760,528.86/108,583,945.71 = 64,996,987.77/x
  3. Step 3: Cross multiply
    72,760,528.86x = 108,583,945.71 × 64,996,987.77
  4. Step 4: Simplify right side
    72,760,528.86x = 7,057,629,391,331,214
  5. Step 5: Solve for x
    x = 7,057,629,391,331,214/72,760,528.86
  6. Step 6: Final answer
    x = 96,998,049.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.