Home / 128,130,428,863.33-192,061,104,235.76-43,110,708,855.19

Finding the Fourth Proportional to 128,130,428,863.33, 192,061,104,235.76 and 43,110,708,855.19

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Solution

The fourth proportional to 128,130,428,863.33, 192,061,104,235.76 and 43,110,708,855.19 is: 64,620,796,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,130,428,863.33 : 192,061,104,235.76 = 43,110,708,855.19 : x
  2. Step 2: Convert to fraction form
    128,130,428,863.33/192,061,104,235.76 = 43,110,708,855.19/x
  3. Step 3: Cross multiply
    128,130,428,863.33x = 192,061,104,235.76 × 43,110,708,855.19
  4. Step 4: Simplify right side
    128,130,428,863.33x = 8,279,890,347,113,380,315,136
  5. Step 5: Solve for x
    x = 8,279,890,347,113,380,315,136/128,130,428,863.33
  6. Step 6: Final answer
    x = 64,620,796,328.91

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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.