Home / 202,224,505,906.32-278,964,015,226.65-125,037,672,056.43

Finding the Fourth Proportional to 202,224,505,906.32, 278,964,015,226.65 and 125,037,672,056.43

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Solution

The fourth proportional to 202,224,505,906.32, 278,964,015,226.65 and 125,037,672,056.43 is: 172,486,568,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,224,505,906.32 : 278,964,015,226.65 = 125,037,672,056.43 : x
  2. Step 2: Convert to fraction form
    202,224,505,906.32/278,964,015,226.65 = 125,037,672,056.43/x
  3. Step 3: Cross multiply
    202,224,505,906.32x = 278,964,015,226.65 × 125,037,672,056.43
  4. Step 4: Simplify right side
    202,224,505,906.32x = 34,881,011,051,454,808,457,216
  5. Step 5: Solve for x
    x = 34,881,011,051,454,808,457,216/202,224,505,906.32
  6. Step 6: Final answer
    x = 172,486,568,307.47

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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.