Home / 219,929,776,781.84-329,716,639,914.21-68,758,264,139.85

Finding the Fourth Proportional to 219,929,776,781.84, 329,716,639,914.21 and 68,758,264,139.85

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Solution

The fourth proportional to 219,929,776,781.84, 329,716,639,914.21 and 68,758,264,139.85 is: 103,081,738,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929,776,781.84 : 329,716,639,914.21 = 68,758,264,139.85 : x
  2. Step 2: Convert to fraction form
    219,929,776,781.84/329,716,639,914.21 = 68,758,264,139.85/x
  3. Step 3: Cross multiply
    219,929,776,781.84x = 329,716,639,914.21 × 68,758,264,139.85
  4. Step 4: Simplify right side
    219,929,776,781.84x = 22,670,743,818,525,063,774,208
  5. Step 5: Solve for x
    x = 22,670,743,818,525,063,774,208/219,929,776,781.84
  6. Step 6: Final answer
    x = 103,081,738,863.46

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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.