Home / 52,170,866.30-78,271,445.44-21,030,452.82

Finding the Fourth Proportional to 52,170,866.30, 78,271,445.44 and 21,030,452.82

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Solution

The fourth proportional to 52,170,866.30, 78,271,445.44 and 21,030,452.82 is: 31,551,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,170,866.30 : 78,271,445.44 = 21,030,452.82 : x
  2. Step 2: Convert to fraction form
    52,170,866.30/78,271,445.44 = 21,030,452.82/x
  3. Step 3: Cross multiply
    52,170,866.30x = 78,271,445.44 × 21,030,452.82
  4. Step 4: Simplify right side
    52,170,866.30x = 1,646,083,940,505,412.25
  5. Step 5: Solve for x
    x = 1,646,083,940,505,412.25/52,170,866.30
  6. Step 6: Final answer
    x = 31,551,784.69

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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.