Home / 99,413,644,451.64-137,190,824,096.58-53,687,915,461.32

Finding the Fourth Proportional to 99,413,644,451.64, 137,190,824,096.58 and 53,687,915,461.32

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Solution

The fourth proportional to 99,413,644,451.64, 137,190,824,096.58 and 53,687,915,461.32 is: 74,089,320,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413,644,451.64 : 137,190,824,096.58 = 53,687,915,461.32 : x
  2. Step 2: Convert to fraction form
    99,413,644,451.64/137,190,824,096.58 = 53,687,915,461.32/x
  3. Step 3: Cross multiply
    99,413,644,451.64x = 137,190,824,096.58 × 53,687,915,461.32
  4. Step 4: Simplify right side
    99,413,644,451.64x = 7,365,489,366,166,009,806,848
  5. Step 5: Solve for x
    x = 7,365,489,366,166,009,806,848/99,413,644,451.64
  6. Step 6: Final answer
    x = 74,089,320,503.17

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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.