Home / 80,224,648.64-110,813,865.30-66,342,079.28

Finding the Fourth Proportional to 80,224,648.64, 110,813,865.30 and 66,342,079.28

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Solution

The fourth proportional to 80,224,648.64, 110,813,865.30 and 66,342,079.28 is: 91,637,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,648.64 : 110,813,865.30 = 66,342,079.28 : x
  2. Step 2: Convert to fraction form
    80,224,648.64/110,813,865.30 = 66,342,079.28/x
  3. Step 3: Cross multiply
    80,224,648.64x = 110,813,865.30 × 66,342,079.28
  4. Step 4: Simplify right side
    80,224,648.64x = 7,351,622,237,055,841
  5. Step 5: Solve for x
    x = 7,351,622,237,055,841/80,224,648.64
  6. Step 6: Final answer
    x = 91,637,948.71

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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.