Home / 113,103,989.75-169,911,375.98-67,076,048.06

Finding the Fourth Proportional to 113,103,989.75, 169,911,375.98 and 67,076,048.06

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Solution

The fourth proportional to 113,103,989.75, 169,911,375.98 and 67,076,048.06 is: 100,765,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,989.75 : 169,911,375.98 = 67,076,048.06 : x
  2. Step 2: Convert to fraction form
    113,103,989.75/169,911,375.98 = 67,076,048.06/x
  3. Step 3: Cross multiply
    113,103,989.75x = 169,911,375.98 × 67,076,048.06
  4. Step 4: Simplify right side
    113,103,989.75x = 11,396,983,620,627,440
  5. Step 5: Solve for x
    x = 11,396,983,620,627,440/113,103,989.75
  6. Step 6: Final answer
    x = 100,765,531.31

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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.