Home / 99,413,644,262.64-137,190,823,835.76-53,687,915,272.32

Finding the Fourth Proportional to 99,413,644,262.64, 137,190,823,835.76 and 53,687,915,272.32

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Solution

The fourth proportional to 99,413,644,262.64, 137,190,823,835.76 and 53,687,915,272.32 is: 74,089,320,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413,644,262.64 : 137,190,823,835.76 = 53,687,915,272.32 : x
  2. Step 2: Convert to fraction form
    99,413,644,262.64/137,190,823,835.76 = 53,687,915,272.32/x
  3. Step 3: Cross multiply
    99,413,644,262.64x = 137,190,823,835.76 × 53,687,915,272.32
  4. Step 4: Simplify right side
    99,413,644,262.64x = 7,365,489,326,234,062,028,800
  5. Step 5: Solve for x
    x = 7,365,489,326,234,062,028,800/99,413,644,262.64
  6. Step 6: Final answer
    x = 74,089,320,242.35

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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.