Home / 90,933,348.64-125,488,071.46-49,117,413.75

Finding the Fourth Proportional to 90,933,348.64, 125,488,071.46 and 49,117,413.75

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Solution

The fourth proportional to 90,933,348.64, 125,488,071.46 and 49,117,413.75 is: 67,782,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,348.64 : 125,488,071.46 = 49,117,413.75 : x
  2. Step 2: Convert to fraction form
    90,933,348.64/125,488,071.46 = 49,117,413.75/x
  3. Step 3: Cross multiply
    90,933,348.64x = 125,488,071.46 × 49,117,413.75
  4. Step 4: Simplify right side
    90,933,348.64x = 6,163,649,526,467,593
  5. Step 5: Solve for x
    x = 6,163,649,526,467,593/90,933,348.64
  6. Step 6: Final answer
    x = 67,782,058.16

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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.