Home / 128,441,184.68-177,250,132.50-69,704,357.06

Finding the Fourth Proportional to 128,441,184.68, 177,250,132.50 and 69,704,357.06

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Solution

The fourth proportional to 128,441,184.68, 177,250,132.50 and 69,704,357.06 is: 96,192,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,441,184.68 : 177,250,132.50 = 69,704,357.06 : x
  2. Step 2: Convert to fraction form
    128,441,184.68/177,250,132.50 = 69,704,357.06/x
  3. Step 3: Cross multiply
    128,441,184.68x = 177,250,132.50 × 69,704,357.06
  4. Step 4: Simplify right side
    128,441,184.68x = 12,355,106,524,712,310
  5. Step 5: Solve for x
    x = 12,355,106,524,712,310/128,441,184.68
  6. Step 6: Final answer
    x = 96,192,716.97

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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.