Home / 63,745,830.30-95,618,745.45-20,645,965.20

Finding the Fourth Proportional to 63,745,830.30, 95,618,745.45 and 20,645,965.20

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Solution

The fourth proportional to 63,745,830.30, 95,618,745.45 and 20,645,965.20 is: 30,968,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,745,830.30 : 95,618,745.45 = 20,645,965.20 : x
  2. Step 2: Convert to fraction form
    63,745,830.30/95,618,745.45 = 20,645,965.20/x
  3. Step 3: Cross multiply
    63,745,830.30x = 95,618,745.45 × 20,645,965.20
  4. Step 4: Simplify right side
    63,745,830.30x = 1,974,141,291,028,358.25
  5. Step 5: Solve for x
    x = 1,974,141,291,028,358.25/63,745,830.30
  6. Step 6: Final answer
    x = 30,968,947.80

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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.