Home / 127,104,043.40-190,734,861.90-66,563,217.80

Finding the Fourth Proportional to 127,104,043.40, 190,734,861.90 and 66,563,217.80

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Solution

The fourth proportional to 127,104,043.40, 190,734,861.90 and 66,563,217.80 is: 99,886,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,043.40 : 190,734,861.90 = 66,563,217.80 : x
  2. Step 2: Convert to fraction form
    127,104,043.40/190,734,861.90 = 66,563,217.80/x
  3. Step 3: Cross multiply
    127,104,043.40x = 190,734,861.90 × 66,563,217.80
  4. Step 4: Simplify right side
    127,104,043.40x = 12,695,926,154,702,622
  5. Step 5: Solve for x
    x = 12,695,926,154,702,622/127,104,043.40
  6. Step 6: Final answer
    x = 99,886,091.86

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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.