Home / 103,004,419.70-154,482,659.55-38,338,678.82

Finding the Fourth Proportional to 103,004,419.70, 154,482,659.55 and 38,338,678.82

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Solution

The fourth proportional to 103,004,419.70, 154,482,659.55 and 38,338,678.82 is: 57,499,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,004,419.70 : 154,482,659.55 = 38,338,678.82 : x
  2. Step 2: Convert to fraction form
    103,004,419.70/154,482,659.55 = 38,338,678.82/x
  3. Step 3: Cross multiply
    103,004,419.70x = 154,482,659.55 × 38,338,678.82
  4. Step 4: Simplify right side
    103,004,419.70x = 5,922,661,067,746,856
  5. Step 5: Solve for x
    x = 5,922,661,067,746,856/103,004,419.70
  6. Step 6: Final answer
    x = 57,499,096.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.