Home / 128,477,462,801.43-192,596,376,342.63-43,428,082,026.19

Finding the Fourth Proportional to 128,477,462,801.43, 192,596,376,342.63 and 43,428,082,026.19

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Solution

The fourth proportional to 128,477,462,801.43, 192,596,376,342.63 and 43,428,082,026.19 is: 65,101,622,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,477,462,801.43 : 192,596,376,342.63 = 43,428,082,026.19 : x
  2. Step 2: Convert to fraction form
    128,477,462,801.43/192,596,376,342.63 = 43,428,082,026.19/x
  3. Step 3: Cross multiply
    128,477,462,801.43x = 192,596,376,342.63 × 43,428,082,026.19
  4. Step 4: Simplify right side
    128,477,462,801.43x = 8,364,091,229,754,695,352,320
  5. Step 5: Solve for x
    x = 8,364,091,229,754,695,352,320/128,477,462,801.43
  6. Step 6: Final answer
    x = 65,101,622,085.13

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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.