Home / 128,477,462,800.43-192,596,376,341.13-43,428,082,025.19

Finding the Fourth Proportional to 128,477,462,800.43, 192,596,376,341.13 and 43,428,082,025.19

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Solution

The fourth proportional to 128,477,462,800.43, 192,596,376,341.13 and 43,428,082,025.19 is: 65,101,622,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,477,462,800.43 : 192,596,376,341.13 = 43,428,082,025.19 : x
  2. Step 2: Convert to fraction form
    128,477,462,800.43/192,596,376,341.13 = 43,428,082,025.19/x
  3. Step 3: Cross multiply
    128,477,462,800.43x = 192,596,376,341.13 × 43,428,082,025.19
  4. Step 4: Simplify right side
    128,477,462,800.43x = 8,364,091,229,496,957,468,672
  5. Step 5: Solve for x
    x = 8,364,091,229,496,957,468,672/128,477,462,800.43
  6. Step 6: Final answer
    x = 65,101,622,083.63

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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.