Home / 43,513,203.53-65,262,707.07-12,800,602.68

Finding the Fourth Proportional to 43,513,203.53, 65,262,707.07 and 12,800,602.68

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Solution

The fourth proportional to 43,513,203.53, 65,262,707.07 and 12,800,602.68 is: 19,198,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,513,203.53 : 65,262,707.07 = 12,800,602.68 : x
  2. Step 2: Convert to fraction form
    43,513,203.53/65,262,707.07 = 12,800,602.68/x
  3. Step 3: Cross multiply
    43,513,203.53x = 65,262,707.07 × 12,800,602.68
  4. Step 4: Simplify right side
    43,513,203.53x = 835,401,983,152,668
  5. Step 5: Solve for x
    x = 835,401,983,152,668/43,513,203.53
  6. Step 6: Final answer
    x = 19,198,815.88

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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.