Home / 124,562,144.80-186,843,217.20-115,492,218.40

Finding the Fourth Proportional to 124,562,144.80, 186,843,217.20 and 115,492,218.40

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Solution

The fourth proportional to 124,562,144.80, 186,843,217.20 and 115,492,218.40 is: 173,238,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,144.80 : 186,843,217.20 = 115,492,218.40 : x
  2. Step 2: Convert to fraction form
    124,562,144.80/186,843,217.20 = 115,492,218.40/x
  3. Step 3: Cross multiply
    124,562,144.80x = 186,843,217.20 × 115,492,218.40
  4. Step 4: Simplify right side
    124,562,144.80x = 21,578,937,647,421,036
  5. Step 5: Solve for x
    x = 21,578,937,647,421,036/124,562,144.80
  6. Step 6: Final answer
    x = 173,238,327.60

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1.5x scale

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.