Home / 101,143,331.30-139,577,797.14-54,733,585.16

Finding the Fourth Proportional to 101,143,331.30, 139,577,797.14 and 54,733,585.16

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Solution

The fourth proportional to 101,143,331.30, 139,577,797.14 and 54,733,585.16 is: 75,532,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,331.30 : 139,577,797.14 = 54,733,585.16 : x
  2. Step 2: Convert to fraction form
    101,143,331.30/139,577,797.14 = 54,733,585.16/x
  3. Step 3: Cross multiply
    101,143,331.30x = 139,577,797.14 × 54,733,585.16
  4. Step 4: Simplify right side
    101,143,331.30x = 7,639,593,246,207,393
  5. Step 5: Solve for x
    x = 7,639,593,246,207,393/101,143,331.30
  6. Step 6: Final answer
    x = 75,532,347.49

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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.