Home / 122,435,722.48-168,953,545.82-67,431,578.98

Finding the Fourth Proportional to 122,435,722.48, 168,953,545.82 and 67,431,578.98

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Solution

The fourth proportional to 122,435,722.48, 168,953,545.82 and 67,431,578.98 is: 93,051,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435,722.48 : 168,953,545.82 = 67,431,578.98 : x
  2. Step 2: Convert to fraction form
    122,435,722.48/168,953,545.82 = 67,431,578.98/x
  3. Step 3: Cross multiply
    122,435,722.48x = 168,953,545.82 × 67,431,578.98
  4. Step 4: Simplify right side
    122,435,722.48x = 11,392,804,368,912,380
  5. Step 5: Solve for x
    x = 11,392,804,368,912,380/122,435,722.48
  6. Step 6: Final answer
    x = 93,051,310.01

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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.