Home / 140,963,797.88-211,653,261.96-78,836,833.12

Finding the Fourth Proportional to 140,963,797.88, 211,653,261.96 and 78,836,833.12

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Solution

The fourth proportional to 140,963,797.88, 211,653,261.96 and 78,836,833.12 is: 118,371,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,963,797.88 : 211,653,261.96 = 78,836,833.12 : x
  2. Step 2: Convert to fraction form
    140,963,797.88/211,653,261.96 = 78,836,833.12/x
  3. Step 3: Cross multiply
    140,963,797.88x = 211,653,261.96 × 78,836,833.12
  4. Step 4: Simplify right side
    140,963,797.88x = 16,686,072,892,444,166
  5. Step 5: Solve for x
    x = 16,686,072,892,444,166/140,963,797.88
  6. Step 6: Final answer
    x = 118,371,334.65

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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.