Home / 118,578,477,956.90-163,638,299,580.51-67,829,420,620.47

Finding the Fourth Proportional to 118,578,477,956.90, 163,638,299,580.51 and 67,829,420,620.47

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Solution

The fourth proportional to 118,578,477,956.90, 163,638,299,580.51 and 67,829,420,620.47 is: 93,604,600,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,578,477,956.90 : 163,638,299,580.51 = 67,829,420,620.47 : x
  2. Step 2: Convert to fraction form
    118,578,477,956.90/163,638,299,580.51 = 67,829,420,620.47/x
  3. Step 3: Cross multiply
    118,578,477,956.90x = 163,638,299,580.51 × 67,829,420,620.47
  4. Step 4: Simplify right side
    118,578,477,956.90x = 11,099,491,051,865,383,108,608
  5. Step 5: Solve for x
    x = 11,099,491,051,865,383,108,608/118,578,477,956.90
  6. Step 6: Final answer
    x = 93,604,600,456.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.