Home / 80,514,098.20-120,771,147.30-70,436,402.20

Finding the Fourth Proportional to 80,514,098.20, 120,771,147.30 and 70,436,402.20

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Solution

The fourth proportional to 80,514,098.20, 120,771,147.30 and 70,436,402.20 is: 105,654,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,514,098.20 : 120,771,147.30 = 70,436,402.20 : x
  2. Step 2: Convert to fraction form
    80,514,098.20/120,771,147.30 = 70,436,402.20/x
  3. Step 3: Cross multiply
    80,514,098.20x = 120,771,147.30 × 70,436,402.20
  4. Step 4: Simplify right side
    80,514,098.20x = 8,506,685,105,378,244
  5. Step 5: Solve for x
    x = 8,506,685,105,378,244/80,514,098.20
  6. Step 6: Final answer
    x = 105,654,603.30

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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.