Home / 151,656,080.15-209,284,934.47-82,041,441.77

Finding the Fourth Proportional to 151,656,080.15, 209,284,934.47 and 82,041,441.77

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Solution

The fourth proportional to 151,656,080.15, 209,284,934.47 and 82,041,441.77 is: 113,216,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,656,080.15 : 209,284,934.47 = 82,041,441.77 : x
  2. Step 2: Convert to fraction form
    151,656,080.15/209,284,934.47 = 82,041,441.77/x
  3. Step 3: Cross multiply
    151,656,080.15x = 209,284,934.47 × 82,041,441.77
  4. Step 4: Simplify right side
    151,656,080.15x = 17,170,037,764,248,564
  5. Step 5: Solve for x
    x = 17,170,037,764,248,564/151,656,080.15
  6. Step 6: Final answer
    x = 113,216,942.88

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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.