Home / 194,821,337.78-292,245,642.61-78,236,676.16

Finding the Fourth Proportional to 194,821,337.78, 292,245,642.61 and 78,236,676.16

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Solution

The fourth proportional to 194,821,337.78, 292,245,642.61 and 78,236,676.16 is: 117,360,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821,337.78 : 292,245,642.61 = 78,236,676.16 : x
  2. Step 2: Convert to fraction form
    194,821,337.78/292,245,642.61 = 78,236,676.16/x
  3. Step 3: Cross multiply
    194,821,337.78x = 292,245,642.61 × 78,236,676.16
  4. Step 4: Simplify right side
    194,821,337.78x = 22,864,327,700,049,668
  5. Step 5: Solve for x
    x = 22,864,327,700,049,668/194,821,337.78
  6. Step 6: Final answer
    x = 117,360,490.18

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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.