Home / 80,825,064.30-121,237,596.45-55,315,896.30

Finding the Fourth Proportional to 80,825,064.30, 121,237,596.45 and 55,315,896.30

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Solution

The fourth proportional to 80,825,064.30, 121,237,596.45 and 55,315,896.30 is: 82,973,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,064.30 : 121,237,596.45 = 55,315,896.30 : x
  2. Step 2: Convert to fraction form
    80,825,064.30/121,237,596.45 = 55,315,896.30/x
  3. Step 3: Cross multiply
    80,825,064.30x = 121,237,596.45 × 55,315,896.30
  4. Step 4: Simplify right side
    80,825,064.30x = 6,706,366,312,889,448
  5. Step 5: Solve for x
    x = 6,706,366,312,889,448/80,825,064.30
  6. Step 6: Final answer
    x = 82,973,844.45

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Double scale
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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.