Home / 198,117,020.55-277,937,785.05-198,117,020.55

Finding the Fourth Proportional to 198,117,020.55, 277,937,785.05 and 198,117,020.55

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Solution

The fourth proportional to 198,117,020.55, 277,937,785.05 and 198,117,020.55 is: 277,937,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,117,020.55 : 277,937,785.05 = 198,117,020.55 : x
  2. Step 2: Convert to fraction form
    198,117,020.55/277,937,785.05 = 198,117,020.55/x
  3. Step 3: Cross multiply
    198,117,020.55x = 277,937,785.05 × 198,117,020.55
  4. Step 4: Simplify right side
    198,117,020.55x = 55,064,205,872,372,336
  5. Step 5: Solve for x
    x = 55,064,205,872,372,336/198,117,020.55
  6. Step 6: Final answer
    x = 277,937,785.05

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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.