Home / 228,364,628.09-315,143,497.80-123,942,700.76

Finding the Fourth Proportional to 228,364,628.09, 315,143,497.80 and 123,942,700.76

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Solution

The fourth proportional to 228,364,628.09, 315,143,497.80 and 123,942,700.76 is: 171,041,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,628.09 : 315,143,497.80 = 123,942,700.76 : x
  2. Step 2: Convert to fraction form
    228,364,628.09/315,143,497.80 = 123,942,700.76/x
  3. Step 3: Cross multiply
    228,364,628.09x = 315,143,497.80 × 123,942,700.76
  4. Step 4: Simplify right side
    228,364,628.09x = 39,059,736,242,709,400
  5. Step 5: Solve for x
    x = 39,059,736,242,709,400/228,364,628.09
  6. Step 6: Final answer
    x = 171,041,095.86

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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.