Home / 80,896,255.40-121,344,383.10-53,686,476.20

Finding the Fourth Proportional to 80,896,255.40, 121,344,383.10 and 53,686,476.20

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Solution

The fourth proportional to 80,896,255.40, 121,344,383.10 and 53,686,476.20 is: 80,529,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896,255.40 : 121,344,383.10 = 53,686,476.20 : x
  2. Step 2: Convert to fraction form
    80,896,255.40/121,344,383.10 = 53,686,476.20/x
  3. Step 3: Cross multiply
    80,896,255.40x = 121,344,383.10 × 53,686,476.20
  4. Step 4: Simplify right side
    80,896,255.40x = 6,514,552,335,301,832
  5. Step 5: Solve for x
    x = 6,514,552,335,301,832/80,896,255.40
  6. Step 6: Final answer
    x = 80,529,714.30

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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.