Home / 220,104,574.40-330,156,861.60-90,669,166.40

Finding the Fourth Proportional to 220,104,574.40, 330,156,861.60 and 90,669,166.40

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Solution

The fourth proportional to 220,104,574.40, 330,156,861.60 and 90,669,166.40 is: 136,003,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,104,574.40 : 330,156,861.60 = 90,669,166.40 : x
  2. Step 2: Convert to fraction form
    220,104,574.40/330,156,861.60 = 90,669,166.40/x
  3. Step 3: Cross multiply
    220,104,574.40x = 330,156,861.60 × 90,669,166.40
  4. Step 4: Simplify right side
    220,104,574.40x = 29,935,047,422,512,176
  5. Step 5: Solve for x
    x = 29,935,047,422,512,176/220,104,574.40
  6. Step 6: Final answer
    x = 136,003,749.60

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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.