Home / 65,616,700.14-90,553,797.45-37,739,418.21

Finding the Fourth Proportional to 65,616,700.14, 90,553,797.45 and 37,739,418.21

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Solution

The fourth proportional to 65,616,700.14, 90,553,797.45 and 37,739,418.21 is: 52,081,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,700.14 : 90,553,797.45 = 37,739,418.21 : x
  2. Step 2: Convert to fraction form
    65,616,700.14/90,553,797.45 = 37,739,418.21/x
  3. Step 3: Cross multiply
    65,616,700.14x = 90,553,797.45 × 37,739,418.21
  4. Step 4: Simplify right side
    65,616,700.14x = 3,417,447,632,469,182
  5. Step 5: Solve for x
    x = 3,417,447,632,469,182/65,616,700.14
  6. Step 6: Final answer
    x = 52,081,979.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.