Home / 72,535,400.76-108,802,984.50-49,747,210.68

Finding the Fourth Proportional to 72,535,400.76, 108,802,984.50 and 49,747,210.68

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Solution

The fourth proportional to 72,535,400.76, 108,802,984.50 and 49,747,210.68 is: 74,620,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535,400.76 : 108,802,984.50 = 49,747,210.68 : x
  2. Step 2: Convert to fraction form
    72,535,400.76/108,802,984.50 = 49,747,210.68/x
  3. Step 3: Cross multiply
    72,535,400.76x = 108,802,984.50 × 49,747,210.68
  4. Step 4: Simplify right side
    72,535,400.76x = 5,412,644,992,534,274
  5. Step 5: Solve for x
    x = 5,412,644,992,534,274/72,535,400.76
  6. Step 6: Final answer
    x = 74,620,736.02

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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.