Home / 243,681,172.08-365,485,803.84-71,111,650.56

Finding the Fourth Proportional to 243,681,172.08, 365,485,803.84 and 71,111,650.56

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Solution

The fourth proportional to 243,681,172.08, 365,485,803.84 and 71,111,650.56 is: 106,656,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681,172.08 : 365,485,803.84 = 71,111,650.56 : x
  2. Step 2: Convert to fraction form
    243,681,172.08/365,485,803.84 = 71,111,650.56/x
  3. Step 3: Cross multiply
    243,681,172.08x = 365,485,803.84 × 71,111,650.56
  4. Step 4: Simplify right side
    243,681,172.08x = 25,990,298,767,310,784
  5. Step 5: Solve for x
    x = 25,990,298,767,310,784/243,681,172.08
  6. Step 6: Final answer
    x = 106,656,983.57

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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.