Home / 122,340,200.40-168,829,466.94-66,586,020.30

Finding the Fourth Proportional to 122,340,200.40, 168,829,466.94 and 66,586,020.30

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Solution

The fourth proportional to 122,340,200.40, 168,829,466.94 and 66,586,020.30 is: 91,888,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340,200.40 : 168,829,466.94 = 66,586,020.30 : x
  2. Step 2: Convert to fraction form
    122,340,200.40/168,829,466.94 = 66,586,020.30/x
  3. Step 3: Cross multiply
    122,340,200.40x = 168,829,466.94 × 66,586,020.30
  4. Step 4: Simplify right side
    122,340,200.40x = 11,241,682,312,905,018
  5. Step 5: Solve for x
    x = 11,241,682,312,905,018/122,340,200.40
  6. Step 6: Final answer
    x = 91,888,702.78

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1.5x scale

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.