Home / 127,541,604.40-191,312,406.60-54,745,997.20

Finding the Fourth Proportional to 127,541,604.40, 191,312,406.60 and 54,745,997.20

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Solution

The fourth proportional to 127,541,604.40, 191,312,406.60 and 54,745,997.20 is: 82,118,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541,604.40 : 191,312,406.60 = 54,745,997.20 : x
  2. Step 2: Convert to fraction form
    127,541,604.40/191,312,406.60 = 54,745,997.20/x
  3. Step 3: Cross multiply
    127,541,604.40x = 191,312,406.60 × 54,745,997.20
  4. Step 4: Simplify right side
    127,541,604.40x = 10,473,588,476,048,862
  5. Step 5: Solve for x
    x = 10,473,588,476,048,862/127,541,604.40
  6. Step 6: Final answer
    x = 82,118,995.80

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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.