Home / 82,450,442.52-113,825,784.78-63,570,789.80

Finding the Fourth Proportional to 82,450,442.52, 113,825,784.78 and 63,570,789.80

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Solution

The fourth proportional to 82,450,442.52, 113,825,784.78 and 63,570,789.80 is: 87,761,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,450,442.52 : 113,825,784.78 = 63,570,789.80 : x
  2. Step 2: Convert to fraction form
    82,450,442.52/113,825,784.78 = 63,570,789.80/x
  3. Step 3: Cross multiply
    82,450,442.52x = 113,825,784.78 × 63,570,789.80
  4. Step 4: Simplify right side
    82,450,442.52x = 7,235,995,038,069,419
  5. Step 5: Solve for x
    x = 7,235,995,038,069,419/82,450,442.52
  6. Step 6: Final answer
    x = 87,761,748.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.