Home / 117,622,310.10-176,433,465.15-78,880,261.20

Finding the Fourth Proportional to 117,622,310.10, 176,433,465.15 and 78,880,261.20

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Solution

The fourth proportional to 117,622,310.10, 176,433,465.15 and 78,880,261.20 is: 118,320,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,310.10 : 176,433,465.15 = 78,880,261.20 : x
  2. Step 2: Convert to fraction form
    117,622,310.10/176,433,465.15 = 78,880,261.20/x
  3. Step 3: Cross multiply
    117,622,310.10x = 176,433,465.15 × 78,880,261.20
  4. Step 4: Simplify right side
    117,622,310.10x = 13,917,117,815,453,098
  5. Step 5: Solve for x
    x = 13,917,117,815,453,098/117,622,310.10
  6. Step 6: Final answer
    x = 118,320,391.80

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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.