Home / 80,459,514.30-120,689,271.45-29,343,200.70

Finding the Fourth Proportional to 80,459,514.30, 120,689,271.45 and 29,343,200.70

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Solution

The fourth proportional to 80,459,514.30, 120,689,271.45 and 29,343,200.70 is: 44,014,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,459,514.30 : 120,689,271.45 = 29,343,200.70 : x
  2. Step 2: Convert to fraction form
    80,459,514.30/120,689,271.45 = 29,343,200.70/x
  3. Step 3: Cross multiply
    80,459,514.30x = 120,689,271.45 × 29,343,200.70
  4. Step 4: Simplify right side
    80,459,514.30x = 3,541,409,514,494,130
  5. Step 5: Solve for x
    x = 3,541,409,514,494,130/80,459,514.30
  6. Step 6: Final answer
    x = 44,014,801.05

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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.