Home / 198,117,007.80-277,937,767.20-198,117,007.80

Finding the Fourth Proportional to 198,117,007.80, 277,937,767.20 and 198,117,007.80

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Solution

The fourth proportional to 198,117,007.80, 277,937,767.20 and 198,117,007.80 is: 277,937,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,117,007.80 : 277,937,767.20 = 198,117,007.80 : x
  2. Step 2: Convert to fraction form
    198,117,007.80/277,937,767.20 = 198,117,007.80/x
  3. Step 3: Cross multiply
    198,117,007.80x = 277,937,767.20 × 198,117,007.80
  4. Step 4: Simplify right side
    198,117,007.80x = 55,064,198,792,276,984
  5. Step 5: Solve for x
    x = 55,064,198,792,276,984/198,117,007.80
  6. Step 6: Final answer
    x = 277,937,767.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.