Home / 243,681,169.88-365,485,800.52-71,111,648.36

Finding the Fourth Proportional to 243,681,169.88, 365,485,800.52 and 71,111,648.36

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Solution

The fourth proportional to 243,681,169.88, 365,485,800.52 and 71,111,648.36 is: 106,656,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,169.88 : 365,485,800.52 = 71,111,648.36 : x
  2. Step 2: Convert to fraction form
    243,681,169.88/365,485,800.52 = 71,111,648.36/x
  3. Step 3: Cross multiply
    243,681,169.88x = 365,485,800.52 × 71,111,648.36
  4. Step 4: Simplify right side
    243,681,169.88x = 25,990,297,727,151,344
  5. Step 5: Solve for x
    x = 25,990,297,727,151,344/243,681,169.88
  6. Step 6: Final answer
    x = 106,656,980.27

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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.