Home / 113,746,874.88-156,975,137.82-66,697,409.28

Finding the Fourth Proportional to 113,746,874.88, 156,975,137.82 and 66,697,409.28

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Solution

The fourth proportional to 113,746,874.88, 156,975,137.82 and 66,697,409.28 is: 92,045,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746,874.88 : 156,975,137.82 = 66,697,409.28 : x
  2. Step 2: Convert to fraction form
    113,746,874.88/156,975,137.82 = 66,697,409.28/x
  3. Step 3: Cross multiply
    113,746,874.88x = 156,975,137.82 × 66,697,409.28
  4. Step 4: Simplify right side
    113,746,874.88x = 10,469,835,013,964,946
  5. Step 5: Solve for x
    x = 10,469,835,013,964,946/113,746,874.88
  6. Step 6: Final answer
    x = 92,045,034.42

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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.