Home / 90,940,812.73-136,409,249.51-25,360,200.63

Finding the Fourth Proportional to 90,940,812.73, 136,409,249.51 and 25,360,200.63

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Solution

The fourth proportional to 90,940,812.73, 136,409,249.51 and 25,360,200.63 is: 38,039,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940,812.73 : 136,409,249.51 = 25,360,200.63 : x
  2. Step 2: Convert to fraction form
    90,940,812.73/136,409,249.51 = 25,360,200.63/x
  3. Step 3: Cross multiply
    90,940,812.73x = 136,409,249.51 × 25,360,200.63
  4. Step 4: Simplify right side
    90,940,812.73x = 3,459,365,934,913,194.50
  5. Step 5: Solve for x
    x = 3,459,365,934,913,194.50/90,940,812.73
  6. Step 6: Final answer
    x = 38,039,751.69

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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.