Home / 228,087,117.21-342,164,818.19-82,554,728.78

Finding the Fourth Proportional to 228,087,117.21, 342,164,818.19 and 82,554,728.78

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Solution

The fourth proportional to 228,087,117.21, 342,164,818.19 and 82,554,728.78 is: 123,844,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,087,117.21 : 342,164,818.19 = 82,554,728.78 : x
  2. Step 2: Convert to fraction form
    228,087,117.21/342,164,818.19 = 82,554,728.78/x
  3. Step 3: Cross multiply
    228,087,117.21x = 342,164,818.19 × 82,554,728.78
  4. Step 4: Simplify right side
    228,087,117.21x = 28,247,323,764,564,108
  5. Step 5: Solve for x
    x = 28,247,323,764,564,108/228,087,117.21
  6. Step 6: Final answer
    x = 123,844,450.80

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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.