Home / 141,833,202,847.80-195,728,368,741.26-78,468,883,032.12

Finding the Fourth Proportional to 141,833,202,847.80, 195,728,368,741.26 and 78,468,883,032.12

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Solution

The fourth proportional to 141,833,202,847.80, 195,728,368,741.26 and 78,468,883,032.12 is: 108,286,255,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,833,202,847.80 : 195,728,368,741.26 = 78,468,883,032.12 : x
  2. Step 2: Convert to fraction form
    141,833,202,847.80/195,728,368,741.26 = 78,468,883,032.12/x
  3. Step 3: Cross multiply
    141,833,202,847.80x = 195,728,368,741.26 × 78,468,883,032.12
  4. Step 4: Simplify right side
    141,833,202,847.80x = 15,358,586,472,825,582,780,416
  5. Step 5: Solve for x
    x = 15,358,586,472,825,582,780,416/141,833,202,847.80
  6. Step 6: Final answer
    x = 108,286,255,717.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.