Home / 69,773,413.70-104,663,006.28-20,589,267.49

Finding the Fourth Proportional to 69,773,413.70, 104,663,006.28 and 20,589,267.49

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Solution

The fourth proportional to 69,773,413.70, 104,663,006.28 and 20,589,267.49 is: 30,884,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773,413.70 : 104,663,006.28 = 20,589,267.49 : x
  2. Step 2: Convert to fraction form
    69,773,413.70/104,663,006.28 = 20,589,267.49/x
  3. Step 3: Cross multiply
    69,773,413.70x = 104,663,006.28 × 20,589,267.49
  4. Step 4: Simplify right side
    69,773,413.70x = 2,154,934,632,344,812.50
  5. Step 5: Solve for x
    x = 2,154,934,632,344,812.50/69,773,413.70
  6. Step 6: Final answer
    x = 30,884,752.77

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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.