Home / 72,773,552.31-100,424,865.32-39,733,192.83

Finding the Fourth Proportional to 72,773,552.31, 100,424,865.32 and 39,733,192.83

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Solution

The fourth proportional to 72,773,552.31, 100,424,865.32 and 39,733,192.83 is: 54,830,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,552.31 : 100,424,865.32 = 39,733,192.83 : x
  2. Step 2: Convert to fraction form
    72,773,552.31/100,424,865.32 = 39,733,192.83/x
  3. Step 3: Cross multiply
    72,773,552.31x = 100,424,865.32 × 39,733,192.83
  4. Step 4: Simplify right side
    72,773,552.31x = 3,990,200,538,738,736
  5. Step 5: Solve for x
    x = 3,990,200,538,738,736/72,773,552.31
  6. Step 6: Final answer
    x = 54,830,366.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.