Home / 128,040,360.39-192,060,255.57-98,936,518.91

Finding the Fourth Proportional to 128,040,360.39, 192,060,255.57 and 98,936,518.91

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Solution

The fourth proportional to 128,040,360.39, 192,060,255.57 and 98,936,518.91 is: 148,404,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,040,360.39 : 192,060,255.57 = 98,936,518.91 : x
  2. Step 2: Convert to fraction form
    128,040,360.39/192,060,255.57 = 98,936,518.91/x
  3. Step 3: Cross multiply
    128,040,360.39x = 192,060,255.57 × 98,936,518.91
  4. Step 4: Simplify right side
    128,040,360.39x = 19,001,773,105,605,752
  5. Step 5: Solve for x
    x = 19,001,773,105,605,752/128,040,360.39
  6. Step 6: Final answer
    x = 148,404,558.12

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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.