Home / 118,792,393.03-163,933,855.50-65,872,828.79

Finding the Fourth Proportional to 118,792,393.03, 163,933,855.50 and 65,872,828.79

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Solution

The fourth proportional to 118,792,393.03, 163,933,855.50 and 65,872,828.79 is: 90,904,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,792,393.03 : 163,933,855.50 = 65,872,828.79 : x
  2. Step 2: Convert to fraction form
    118,792,393.03/163,933,855.50 = 65,872,828.79/x
  3. Step 3: Cross multiply
    118,792,393.03x = 163,933,855.50 × 65,872,828.79
  4. Step 4: Simplify right side
    118,792,393.03x = 10,798,786,796,236,100
  5. Step 5: Solve for x
    x = 10,798,786,796,236,100/118,792,393.03
  6. Step 6: Final answer
    x = 90,904,699.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.