Home / 82,715,529.40-124,077,959.70-25,209,676.60

Finding the Fourth Proportional to 82,715,529.40, 124,077,959.70 and 25,209,676.60

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Solution

The fourth proportional to 82,715,529.40, 124,077,959.70 and 25,209,676.60 is: 37,815,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,529.40 : 124,077,959.70 = 25,209,676.60 : x
  2. Step 2: Convert to fraction form
    82,715,529.40/124,077,959.70 = 25,209,676.60/x
  3. Step 3: Cross multiply
    82,715,529.40x = 124,077,959.70 × 25,209,676.60
  4. Step 4: Simplify right side
    82,715,529.40x = 3,127,965,237,224,833.50
  5. Step 5: Solve for x
    x = 3,127,965,237,224,833.50/82,715,529.40
  6. Step 6: Final answer
    x = 37,815,936.86

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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.