Home / 220,536,626.40-330,804,939.60-91,101,218.40

Finding the Fourth Proportional to 220,536,626.40, 330,804,939.60 and 91,101,218.40

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Solution

The fourth proportional to 220,536,626.40, 330,804,939.60 and 91,101,218.40 is: 136,651,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,536,626.40 : 330,804,939.60 = 91,101,218.40 : x
  2. Step 2: Convert to fraction form
    220,536,626.40/330,804,939.60 = 91,101,218.40/x
  3. Step 3: Cross multiply
    220,536,626.40x = 330,804,939.60 × 91,101,218.40
  4. Step 4: Simplify right side
    220,536,626.40x = 30,136,733,050,298,412
  5. Step 5: Solve for x
    x = 30,136,733,050,298,412/220,536,626.40
  6. Step 6: Final answer
    x = 136,651,827.60

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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.