Home / 53,694,439.63-80,508,697.54-20,866,678.09

Finding the Fourth Proportional to 53,694,439.63, 80,508,697.54 and 20,866,678.09

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Solution

The fourth proportional to 53,694,439.63, 80,508,697.54 and 20,866,678.09 is: 31,287,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694,439.63 : 80,508,697.54 = 20,866,678.09 : x
  2. Step 2: Convert to fraction form
    53,694,439.63/80,508,697.54 = 20,866,678.09/x
  3. Step 3: Cross multiply
    53,694,439.63x = 80,508,697.54 × 20,866,678.09
  4. Step 4: Simplify right side
    53,694,439.63x = 1,679,949,075,012,355
  5. Step 5: Solve for x
    x = 1,679,949,075,012,355/53,694,439.63
  6. Step 6: Final answer
    x = 31,287,207.51

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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.