Home / 228,364,597.96-315,143,456.25-123,942,670.63

Finding the Fourth Proportional to 228,364,597.96, 315,143,456.25 and 123,942,670.63

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Solution

The fourth proportional to 228,364,597.96, 315,143,456.25 and 123,942,670.63 is: 171,041,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,597.96 : 315,143,456.25 = 123,942,670.63 : x
  2. Step 2: Convert to fraction form
    228,364,597.96/315,143,456.25 = 123,942,670.63/x
  3. Step 3: Cross multiply
    228,364,597.96x = 315,143,456.25 × 123,942,670.63
  4. Step 4: Simplify right side
    228,364,597.96x = 39,059,721,598,870,496
  5. Step 5: Solve for x
    x = 39,059,721,598,870,496/228,364,597.96
  6. Step 6: Final answer
    x = 171,041,054.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.