Home / 128,545,303.19-192,792,847.41-41,083,359.08

Finding the Fourth Proportional to 128,545,303.19, 192,792,847.41 and 41,083,359.08

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Solution

The fourth proportional to 128,545,303.19, 192,792,847.41 and 41,083,359.08 is: 61,617,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,545,303.19 : 192,792,847.41 = 41,083,359.08 : x
  2. Step 2: Convert to fraction form
    128,545,303.19/192,792,847.41 = 41,083,359.08/x
  3. Step 3: Cross multiply
    128,545,303.19x = 192,792,847.41 × 41,083,359.08
  4. Step 4: Simplify right side
    128,545,303.19x = 7,920,577,777,236,714
  5. Step 5: Solve for x
    x = 7,920,577,777,236,714/128,545,303.19
  6. Step 6: Final answer
    x = 61,617,014.24

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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.