Home / 87,619,968,015.80-131,429,952,023.70-52,791,450,639.80

Finding the Fourth Proportional to 87,619,968,015.80, 131,429,952,023.70 and 52,791,450,639.80

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Solution

The fourth proportional to 87,619,968,015.80, 131,429,952,023.70 and 52,791,450,639.80 is: 79,187,175,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619,968,015.80 : 131,429,952,023.70 = 52,791,450,639.80 : x
  2. Step 2: Convert to fraction form
    87,619,968,015.80/131,429,952,023.70 = 52,791,450,639.80/x
  3. Step 3: Cross multiply
    87,619,968,015.80x = 131,429,952,023.70 × 52,791,450,639.80
  4. Step 4: Simplify right side
    87,619,968,015.80x = 6,938,377,824,850,440,880,128
  5. Step 5: Solve for x
    x = 6,938,377,824,850,440,880,128/87,619,968,015.80
  6. Step 6: Final answer
    x = 79,187,175,959.70

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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.