Home / 42,138,000.55-63,211,210.80-11,433,067.30

Finding the Fourth Proportional to 42,138,000.55, 63,211,210.80 and 11,433,067.30

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Solution

The fourth proportional to 42,138,000.55, 63,211,210.80 and 11,433,067.30 is: 17,150,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138,000.55 : 63,211,210.80 = 11,433,067.30 : x
  2. Step 2: Convert to fraction form
    42,138,000.55/63,211,210.80 = 11,433,067.30/x
  3. Step 3: Cross multiply
    42,138,000.55x = 63,211,210.80 × 11,433,067.30
  4. Step 4: Simplify right side
    42,138,000.55x = 722,698,027,190,886.88
  5. Step 5: Solve for x
    x = 722,698,027,190,886.88/42,138,000.55
  6. Step 6: Final answer
    x = 17,150,743.22

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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.