Home / 99,413,642,811.96-137,190,821,833.08-53,687,913,822.12

Finding the Fourth Proportional to 99,413,642,811.96, 137,190,821,833.08 and 53,687,913,822.12

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Solution

The fourth proportional to 99,413,642,811.96, 137,190,821,833.08 and 53,687,913,822.12 is: 74,089,318,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413,642,811.96 : 137,190,821,833.08 = 53,687,913,822.12 : x
  2. Step 2: Convert to fraction form
    99,413,642,811.96/137,190,821,833.08 = 53,687,913,822.12/x
  3. Step 3: Cross multiply
    99,413,642,811.96x = 137,190,821,833.08 × 53,687,913,822.12
  4. Step 4: Simplify right side
    99,413,642,811.96x = 7,365,489,019,760,218,734,592
  5. Step 5: Solve for x
    x = 7,365,489,019,760,218,734,592/99,413,642,811.96
  6. Step 6: Final answer
    x = 74,089,318,240.68

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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.