Home / 51,118,806.51-76,621,413.24-38,948,146.11

Finding the Fourth Proportional to 51,118,806.51, 76,621,413.24 and 38,948,146.11

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Solution

The fourth proportional to 51,118,806.51, 76,621,413.24 and 38,948,146.11 is: 58,378,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118,806.51 : 76,621,413.24 = 38,948,146.11 : x
  2. Step 2: Convert to fraction form
    51,118,806.51/76,621,413.24 = 38,948,146.11/x
  3. Step 3: Cross multiply
    51,118,806.51x = 76,621,413.24 × 38,948,146.11
  4. Step 4: Simplify right side
    51,118,806.51x = 2,984,261,998,026,208
  5. Step 5: Solve for x
    x = 2,984,261,998,026,208/51,118,806.51
  6. Step 6: Final answer
    x = 58,378,945.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.