Home / 118,792,393.53-163,933,856.19-65,872,829.30

Finding the Fourth Proportional to 118,792,393.53, 163,933,856.19 and 65,872,829.30

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Solution

The fourth proportional to 118,792,393.53, 163,933,856.19 and 65,872,829.30 is: 90,904,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,792,393.53 : 163,933,856.19 = 65,872,829.30 : x
  2. Step 2: Convert to fraction form
    118,792,393.53/163,933,856.19 = 65,872,829.30/x
  3. Step 3: Cross multiply
    118,792,393.53x = 163,933,856.19 × 65,872,829.30
  4. Step 4: Simplify right side
    118,792,393.53x = 10,798,786,924,474,950
  5. Step 5: Solve for x
    x = 10,798,786,924,474,950/118,792,393.53
  6. Step 6: Final answer
    x = 90,904,700.24

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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.