Home / 54,455,135.40-81,682,703.10-54,136,270.80

Finding the Fourth Proportional to 54,455,135.40, 81,682,703.10 and 54,136,270.80

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Solution

The fourth proportional to 54,455,135.40, 81,682,703.10 and 54,136,270.80 is: 81,204,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455,135.40 : 81,682,703.10 = 54,136,270.80 : x
  2. Step 2: Convert to fraction form
    54,455,135.40/81,682,703.10 = 54,136,270.80/x
  3. Step 3: Cross multiply
    54,455,135.40x = 81,682,703.10 × 54,136,270.80
  4. Step 4: Simplify right side
    54,455,135.40x = 4,421,996,934,697,599
  5. Step 5: Solve for x
    x = 4,421,996,934,697,599/54,455,135.40
  6. Step 6: Final answer
    x = 81,204,406.20

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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.