Home / 51,380,413.98-70,907,015.70-28,176,373.14

Finding the Fourth Proportional to 51,380,413.98, 70,907,015.70 and 28,176,373.14

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Solution

The fourth proportional to 51,380,413.98, 70,907,015.70 and 28,176,373.14 is: 38,884,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380,413.98 : 70,907,015.70 = 28,176,373.14 : x
  2. Step 2: Convert to fraction form
    51,380,413.98/70,907,015.70 = 28,176,373.14/x
  3. Step 3: Cross multiply
    51,380,413.98x = 70,907,015.70 × 28,176,373.14
  4. Step 4: Simplify right side
    51,380,413.98x = 1,997,902,532,607,038.50
  5. Step 5: Solve for x
    x = 1,997,902,532,607,038.50/51,380,413.98
  6. Step 6: Final answer
    x = 38,884,516.06

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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.