Home / 228,364,588.98-315,143,444.88-123,942,661.92

Finding the Fourth Proportional to 228,364,588.98, 315,143,444.88 and 123,942,661.92

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Solution

The fourth proportional to 228,364,588.98, 315,143,444.88 and 123,942,661.92 is: 171,041,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,588.98 : 315,143,444.88 = 123,942,661.92 : x
  2. Step 2: Convert to fraction form
    228,364,588.98/315,143,444.88 = 123,942,661.92/x
  3. Step 3: Cross multiply
    228,364,588.98x = 315,143,444.88 × 123,942,661.92
  4. Step 4: Simplify right side
    228,364,588.98x = 39,059,717,445,065,992
  5. Step 5: Solve for x
    x = 39,059,717,445,065,992/228,364,588.98
  6. Step 6: Final answer
    x = 171,041,042.83

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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.