Home / 57,472,136.70-86,208,205.05-51,236,562.30

Finding the Fourth Proportional to 57,472,136.70, 86,208,205.05 and 51,236,562.30

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Solution

The fourth proportional to 57,472,136.70, 86,208,205.05 and 51,236,562.30 is: 76,854,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,136.70 : 86,208,205.05 = 51,236,562.30 : x
  2. Step 2: Convert to fraction form
    57,472,136.70/86,208,205.05 = 51,236,562.30/x
  3. Step 3: Cross multiply
    57,472,136.70x = 86,208,205.05 × 51,236,562.30
  4. Step 4: Simplify right side
    57,472,136.70x = 4,417,012,068,815,499
  5. Step 5: Solve for x
    x = 4,417,012,068,815,499/57,472,136.70
  6. Step 6: Final answer
    x = 76,854,843.45

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Double scale
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Similar ratio
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1.5x scale

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.