Home / 99,413,644,454.64-137,190,824,100.72-53,687,915,464.32

Finding the Fourth Proportional to 99,413,644,454.64, 137,190,824,100.72 and 53,687,915,464.32

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Solution

The fourth proportional to 99,413,644,454.64, 137,190,824,100.72 and 53,687,915,464.32 is: 74,089,320,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413,644,454.64 : 137,190,824,100.72 = 53,687,915,464.32 : x
  2. Step 2: Convert to fraction form
    99,413,644,454.64/137,190,824,100.72 = 53,687,915,464.32/x
  3. Step 3: Cross multiply
    99,413,644,454.64x = 137,190,824,100.72 × 53,687,915,464.32
  4. Step 4: Simplify right side
    99,413,644,454.64x = 7,365,489,366,799,849,881,600
  5. Step 5: Solve for x
    x = 7,365,489,366,799,849,881,600/99,413,644,454.64
  6. Step 6: Final answer
    x = 74,089,320,507.31

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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.