Home / 53,014,297.80-79,521,446.70-39,409,408.20

Finding the Fourth Proportional to 53,014,297.80, 79,521,446.70 and 39,409,408.20

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Solution

The fourth proportional to 53,014,297.80, 79,521,446.70 and 39,409,408.20 is: 59,114,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014,297.80 : 79,521,446.70 = 39,409,408.20 : x
  2. Step 2: Convert to fraction form
    53,014,297.80/79,521,446.70 = 39,409,408.20/x
  3. Step 3: Cross multiply
    53,014,297.80x = 79,521,446.70 × 39,409,408.20
  4. Step 4: Simplify right side
    53,014,297.80x = 3,133,893,153,654,843.50
  5. Step 5: Solve for x
    x = 3,133,893,153,654,843.50/53,014,297.80
  6. Step 6: Final answer
    x = 59,114,112.30

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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.