Home / 103,538,113,436.66-155,169,876,243.64-53,171,512,534.58

Finding the Fourth Proportional to 103,538,113,436.66, 155,169,876,243.64 and 53,171,512,534.58

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Solution

The fourth proportional to 103,538,113,436.66, 155,169,876,243.64 and 53,171,512,534.58 is: 79,686,762,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,436.66 : 155,169,876,243.64 = 53,171,512,534.58 : x
  2. Step 2: Convert to fraction form
    103,538,113,436.66/155,169,876,243.64 = 53,171,512,534.58/x
  3. Step 3: Cross multiply
    103,538,113,436.66x = 155,169,876,243.64 × 53,171,512,534.58
  4. Step 4: Simplify right side
    103,538,113,436.66x = 8,250,617,019,677,932,519,424
  5. Step 5: Solve for x
    x = 8,250,617,019,677,932,519,424/103,538,113,436.66
  6. Step 6: Final answer
    x = 79,686,762,157.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.