Home / 81,444,610.80-122,166,916.20-67,095,703.80

Finding the Fourth Proportional to 81,444,610.80, 122,166,916.20 and 67,095,703.80

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Solution

The fourth proportional to 81,444,610.80, 122,166,916.20 and 67,095,703.80 is: 100,643,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,444,610.80 : 122,166,916.20 = 67,095,703.80 : x
  2. Step 2: Convert to fraction form
    81,444,610.80/122,166,916.20 = 67,095,703.80/x
  3. Step 3: Cross multiply
    81,444,610.80x = 122,166,916.20 × 67,095,703.80
  4. Step 4: Simplify right side
    81,444,610.80x = 8,196,875,223,514,621
  5. Step 5: Solve for x
    x = 8,196,875,223,514,621/81,444,610.80
  6. Step 6: Final answer
    x = 100,643,555.70

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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.