Home / 53,295,514.20-79,943,271.30-12,905,998.20

Finding the Fourth Proportional to 53,295,514.20, 79,943,271.30 and 12,905,998.20

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Solution

The fourth proportional to 53,295,514.20, 79,943,271.30 and 12,905,998.20 is: 19,358,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295,514.20 : 79,943,271.30 = 12,905,998.20 : x
  2. Step 2: Convert to fraction form
    53,295,514.20/79,943,271.30 = 12,905,998.20/x
  3. Step 3: Cross multiply
    53,295,514.20x = 79,943,271.30 × 12,905,998.20
  4. Step 4: Simplify right side
    53,295,514.20x = 1,031,747,715,499,911.50
  5. Step 5: Solve for x
    x = 1,031,747,715,499,911.50/53,295,514.20
  6. Step 6: Final answer
    x = 19,358,997.30

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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.