Home / 52,485,210.57-78,718,844.61-14,137,756.65

Finding the Fourth Proportional to 52,485,210.57, 78,718,844.61 and 14,137,756.65

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Solution

The fourth proportional to 52,485,210.57, 78,718,844.61 and 14,137,756.65 is: 21,204,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485,210.57 : 78,718,844.61 = 14,137,756.65 : x
  2. Step 2: Convert to fraction form
    52,485,210.57/78,718,844.61 = 14,137,756.65/x
  3. Step 3: Cross multiply
    52,485,210.57x = 78,718,844.61 × 14,137,756.65
  4. Step 4: Simplify right side
    52,485,210.57x = 1,112,907,868,865,344.12
  5. Step 5: Solve for x
    x = 1,112,907,868,865,344.12/52,485,210.57
  6. Step 6: Final answer
    x = 21,204,218.42

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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.