Home / 252,696,518.85-348,739,241.22-139,663,579.07

Finding the Fourth Proportional to 252,696,518.85, 348,739,241.22 and 139,663,579.07

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Solution

The fourth proportional to 252,696,518.85, 348,739,241.22 and 139,663,579.07 is: 192,745,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,696,518.85 : 348,739,241.22 = 139,663,579.07 : x
  2. Step 2: Convert to fraction form
    252,696,518.85/348,739,241.22 = 139,663,579.07/x
  3. Step 3: Cross multiply
    252,696,518.85x = 348,739,241.22 × 139,663,579.07
  4. Step 4: Simplify right side
    252,696,518.85x = 48,706,170,591,813,120
  5. Step 5: Solve for x
    x = 48,706,170,591,813,120/252,696,518.85
  6. Step 6: Final answer
    x = 192,745,712.58

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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.