Home / 60,135,782.87-90,216,960.32-21,796,300.52

Finding the Fourth Proportional to 60,135,782.87, 90,216,960.32 and 21,796,300.52

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Solution

The fourth proportional to 60,135,782.87, 90,216,960.32 and 21,796,300.52 is: 32,699,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,135,782.87 : 90,216,960.32 = 21,796,300.52 : x
  2. Step 2: Convert to fraction form
    60,135,782.87/90,216,960.32 = 21,796,300.52/x
  3. Step 3: Cross multiply
    60,135,782.87x = 90,216,960.32 × 21,796,300.52
  4. Step 4: Simplify right side
    60,135,782.87x = 1,966,395,979,415,668.75
  5. Step 5: Solve for x
    x = 1,966,395,979,415,668.75/60,135,782.87
  6. Step 6: Final answer
    x = 32,699,266.32

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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.