Home / 123,873,037.32-170,902,950.18-70,221,942.75

Finding the Fourth Proportional to 123,873,037.32, 170,902,950.18 and 70,221,942.75

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Solution

The fourth proportional to 123,873,037.32, 170,902,950.18 and 70,221,942.75 is: 96,882,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873,037.32 : 170,902,950.18 = 70,221,942.75 : x
  2. Step 2: Convert to fraction form
    123,873,037.32/170,902,950.18 = 70,221,942.75/x
  3. Step 3: Cross multiply
    123,873,037.32x = 170,902,950.18 × 70,221,942.75
  4. Step 4: Simplify right side
    123,873,037.32x = 12,001,137,183,346,062
  5. Step 5: Solve for x
    x = 12,001,137,183,346,062/123,873,037.32
  6. Step 6: Final answer
    x = 96,882,561.72

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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.