Home / 109,274,087.70-163,698,555.15-66,014,790.30

Finding the Fourth Proportional to 109,274,087.70, 163,698,555.15 and 66,014,790.30

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Solution

The fourth proportional to 109,274,087.70, 163,698,555.15 and 66,014,790.30 is: 98,893,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,087.70 : 163,698,555.15 = 66,014,790.30 : x
  2. Step 2: Convert to fraction form
    109,274,087.70/163,698,555.15 = 66,014,790.30/x
  3. Step 3: Cross multiply
    109,274,087.70x = 163,698,555.15 × 66,014,790.30
  4. Step 4: Simplify right side
    109,274,087.70x = 10,806,525,790,640,234
  5. Step 5: Solve for x
    x = 10,806,525,790,640,234/109,274,087.70
  6. Step 6: Final answer
    x = 98,893,763.55

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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.