Home / 243,681,171.42-365,485,802.84-71,111,649.90

Finding the Fourth Proportional to 243,681,171.42, 365,485,802.84 and 71,111,649.90

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Solution

The fourth proportional to 243,681,171.42, 365,485,802.84 and 71,111,649.90 is: 106,656,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,171.42 : 365,485,802.84 = 71,111,649.90 : x
  2. Step 2: Convert to fraction form
    243,681,171.42/365,485,802.84 = 71,111,649.90/x
  3. Step 3: Cross multiply
    243,681,171.42x = 365,485,802.84 × 71,111,649.90
  4. Step 4: Simplify right side
    243,681,171.42x = 25,990,298,454,978,508
  5. Step 5: Solve for x
    x = 25,990,298,454,978,508/243,681,171.42
  6. Step 6: Final answer
    x = 106,656,982.58

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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.