Home / 228,096,008.40-342,144,012.60-91,879,150.80

Finding the Fourth Proportional to 228,096,008.40, 342,144,012.60 and 91,879,150.80

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Solution

The fourth proportional to 228,096,008.40, 342,144,012.60 and 91,879,150.80 is: 137,818,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,096,008.40 : 342,144,012.60 = 91,879,150.80 : x
  2. Step 2: Convert to fraction form
    228,096,008.40/342,144,012.60 = 91,879,150.80/x
  3. Step 3: Cross multiply
    228,096,008.40x = 342,144,012.60 × 91,879,150.80
  4. Step 4: Simplify right side
    228,096,008.40x = 31,435,901,328,992,500
  5. Step 5: Solve for x
    x = 31,435,901,328,992,500/228,096,008.40
  6. Step 6: Final answer
    x = 137,818,726.20

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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.