Home / 140,963,781.96-211,653,237.60-78,836,817.06

Finding the Fourth Proportional to 140,963,781.96, 211,653,237.60 and 78,836,817.06

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Solution

The fourth proportional to 140,963,781.96, 211,653,237.60 and 78,836,817.06 is: 118,371,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,963,781.96 : 211,653,237.60 = 78,836,817.06 : x
  2. Step 2: Convert to fraction form
    140,963,781.96/211,653,237.60 = 78,836,817.06/x
  3. Step 3: Cross multiply
    140,963,781.96x = 211,653,237.60 × 78,836,817.06
  4. Step 4: Simplify right side
    140,963,781.96x = 16,686,067,572,827,914
  5. Step 5: Solve for x
    x = 16,686,067,572,827,914/140,963,781.96
  6. Step 6: Final answer
    x = 118,371,310.28

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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.