Home / 128,545,300.49-192,792,843.36-41,083,356.40

Finding the Fourth Proportional to 128,545,300.49, 192,792,843.36 and 41,083,356.40

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Solution

The fourth proportional to 128,545,300.49, 192,792,843.36 and 41,083,356.40 is: 61,617,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,545,300.49 : 192,792,843.36 = 41,083,356.40 : x
  2. Step 2: Convert to fraction form
    128,545,300.49/192,792,843.36 = 41,083,356.40/x
  3. Step 3: Cross multiply
    128,545,300.49x = 192,792,843.36 × 41,083,356.40
  4. Step 4: Simplify right side
    128,545,300.49x = 7,920,577,094,646,272
  5. Step 5: Solve for x
    x = 7,920,577,094,646,272/128,545,300.49
  6. Step 6: Final answer
    x = 61,617,010.23

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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.