Home / 124,562,107.80-186,843,161.70-115,492,181.40

Finding the Fourth Proportional to 124,562,107.80, 186,843,161.70 and 115,492,181.40

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Solution

The fourth proportional to 124,562,107.80, 186,843,161.70 and 115,492,181.40 is: 173,238,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,107.80 : 186,843,161.70 = 115,492,181.40 : x
  2. Step 2: Convert to fraction form
    124,562,107.80/186,843,161.70 = 115,492,181.40/x
  3. Step 3: Cross multiply
    124,562,107.80x = 186,843,161.70 × 115,492,181.40
  4. Step 4: Simplify right side
    124,562,107.80x = 21,578,924,324,405,932
  5. Step 5: Solve for x
    x = 21,578,924,324,405,932/124,562,107.80
  6. Step 6: Final answer
    x = 173,238,272.10

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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.