Home / 124,079,738.80-186,119,608.20-69,660,180.40

Finding the Fourth Proportional to 124,079,738.80, 186,119,608.20 and 69,660,180.40

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Solution

The fourth proportional to 124,079,738.80, 186,119,608.20 and 69,660,180.40 is: 104,490,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079,738.80 : 186,119,608.20 = 69,660,180.40 : x
  2. Step 2: Convert to fraction form
    124,079,738.80/186,119,608.20 = 69,660,180.40/x
  3. Step 3: Cross multiply
    124,079,738.80x = 186,119,608.20 × 69,660,180.40
  4. Step 4: Simplify right side
    124,079,738.80x = 12,965,125,483,189,320
  5. Step 5: Solve for x
    x = 12,965,125,483,189,320/124,079,738.80
  6. Step 6: Final answer
    x = 104,490,270.60

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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.