Home / 45,309,643.80-67,964,465.70-13,396,939.80

Finding the Fourth Proportional to 45,309,643.80, 67,964,465.70 and 13,396,939.80

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Solution

The fourth proportional to 45,309,643.80, 67,964,465.70 and 13,396,939.80 is: 20,095,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309,643.80 : 67,964,465.70 = 13,396,939.80 : x
  2. Step 2: Convert to fraction form
    45,309,643.80/67,964,465.70 = 13,396,939.80/x
  3. Step 3: Cross multiply
    45,309,643.80x = 67,964,465.70 × 13,396,939.80
  4. Step 4: Simplify right side
    45,309,643.80x = 910,515,855,522,065
  5. Step 5: Solve for x
    x = 910,515,855,522,065/45,309,643.80
  6. Step 6: Final answer
    x = 20,095,409.70

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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.