Home / 129,024,145.20-193,552,806.60-64,361,002.80

Finding the Fourth Proportional to 129,024,145.20, 193,552,806.60 and 64,361,002.80

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Solution

The fourth proportional to 129,024,145.20, 193,552,806.60 and 64,361,002.80 is: 96,549,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,145.20 : 193,552,806.60 = 64,361,002.80 : x
  2. Step 2: Convert to fraction form
    129,024,145.20/193,552,806.60 = 64,361,002.80/x
  3. Step 3: Cross multiply
    129,024,145.20x = 193,552,806.60 × 64,361,002.80
  4. Step 4: Simplify right side
    129,024,145.20x = 12,457,252,727,530,458
  5. Step 5: Solve for x
    x = 12,457,252,727,530,458/129,024,145.20
  6. Step 6: Final answer
    x = 96,549,779.18

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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.