Home / 102,106,781.12-140,908,257.24-55,697,241.44

Finding the Fourth Proportional to 102,106,781.12, 140,908,257.24 and 55,697,241.44

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Solution

The fourth proportional to 102,106,781.12, 140,908,257.24 and 55,697,241.44 is: 76,862,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,781.12 : 140,908,257.24 = 55,697,241.44 : x
  2. Step 2: Convert to fraction form
    102,106,781.12/140,908,257.24 = 55,697,241.44/x
  3. Step 3: Cross multiply
    102,106,781.12x = 140,908,257.24 × 55,697,241.44
  4. Step 4: Simplify right side
    102,106,781.12x = 7,848,201,224,385,908
  5. Step 5: Solve for x
    x = 7,848,201,224,385,908/102,106,781.12
  6. Step 6: Final answer
    x = 76,862,683.73

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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.