Home / 300,396,740.70-450,645,985.44-103,606,721.79

Finding the Fourth Proportional to 300,396,740.70, 450,645,985.44 and 103,606,721.79

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Solution

The fourth proportional to 300,396,740.70, 450,645,985.44 and 103,606,721.79 is: 155,427,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,396,740.70 : 450,645,985.44 = 103,606,721.79 : x
  2. Step 2: Convert to fraction form
    300,396,740.70/450,645,985.44 = 103,606,721.79/x
  3. Step 3: Cross multiply
    300,396,740.70x = 450,645,985.44 × 103,606,721.79
  4. Step 4: Simplify right side
    300,396,740.70x = 46,689,953,239,262,472
  5. Step 5: Solve for x
    x = 46,689,953,239,262,472/300,396,740.70
  6. Step 6: Final answer
    x = 155,427,629.24

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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.