Home / 90,836,249.48-136,206,495.32-39,658,481.18

Finding the Fourth Proportional to 90,836,249.48, 136,206,495.32 and 39,658,481.18

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Solution

The fourth proportional to 90,836,249.48, 136,206,495.32 and 39,658,481.18 is: 59,466,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836,249.48 : 136,206,495.32 = 39,658,481.18 : x
  2. Step 2: Convert to fraction form
    90,836,249.48/136,206,495.32 = 39,658,481.18/x
  3. Step 3: Cross multiply
    90,836,249.48x = 136,206,495.32 × 39,658,481.18
  4. Step 4: Simplify right side
    90,836,249.48x = 5,401,742,731,096,705
  5. Step 5: Solve for x
    x = 5,401,742,731,096,705/90,836,249.48
  6. Step 6: Final answer
    x = 59,466,818.17

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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.