Home / 128,404,180.13-192,492,894.89-98,246,674.85

Finding the Fourth Proportional to 128,404,180.13, 192,492,894.89 and 98,246,674.85

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Solution

The fourth proportional to 128,404,180.13, 192,492,894.89 and 98,246,674.85 is: 147,283,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,404,180.13 : 192,492,894.89 = 98,246,674.85 : x
  2. Step 2: Convert to fraction form
    128,404,180.13/192,492,894.89 = 98,246,674.85/x
  3. Step 3: Cross multiply
    128,404,180.13x = 192,492,894.89 × 98,246,674.85
  4. Step 4: Simplify right side
    128,404,180.13x = 18,911,786,854,476,208
  5. Step 5: Solve for x
    x = 18,911,786,854,476,208/128,404,180.13
  6. Step 6: Final answer
    x = 147,283,264.74

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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.