Home / 82,715,525.40-124,077,953.70-25,209,672.60

Finding the Fourth Proportional to 82,715,525.40, 124,077,953.70 and 25,209,672.60

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Solution

The fourth proportional to 82,715,525.40, 124,077,953.70 and 25,209,672.60 is: 37,815,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,525.40 : 124,077,953.70 = 25,209,672.60 : x
  2. Step 2: Convert to fraction form
    82,715,525.40/124,077,953.70 = 25,209,672.60/x
  3. Step 3: Cross multiply
    82,715,525.40x = 124,077,953.70 × 25,209,672.60
  4. Step 4: Simplify right side
    82,715,525.40x = 3,127,964,589,654,959
  5. Step 5: Solve for x
    x = 3,127,964,589,654,959/82,715,525.40
  6. Step 6: Final answer
    x = 37,815,930.86

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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.