Home / 99,969,315,807.80-137,961,633,324.62-54,860,656,886.52

Finding the Fourth Proportional to 99,969,315,807.80, 137,961,633,324.62 and 54,860,656,886.52

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Solution

The fourth proportional to 99,969,315,807.80, 137,961,633,324.62 and 54,860,656,886.52 is: 75,709,889,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,969,315,807.80 : 137,961,633,324.62 = 54,860,656,886.52 : x
  2. Step 2: Convert to fraction form
    99,969,315,807.80/137,961,633,324.62 = 54,860,656,886.52/x
  3. Step 3: Cross multiply
    99,969,315,807.80x = 137,961,633,324.62 × 54,860,656,886.52
  4. Step 4: Simplify right side
    99,969,315,807.80x = 7,568,665,829,325,860,241,408
  5. Step 5: Solve for x
    x = 7,568,665,829,325,860,241,408/99,969,315,807.80
  6. Step 6: Final answer
    x = 75,709,889,261.19

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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.