Home / 131,211,356.46-196,822,413.63-45,009,045.06

Finding the Fourth Proportional to 131,211,356.46, 196,822,413.63 and 45,009,045.06

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Solution

The fourth proportional to 131,211,356.46, 196,822,413.63 and 45,009,045.06 is: 67,515,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211,356.46 : 196,822,413.63 = 45,009,045.06 : x
  2. Step 2: Convert to fraction form
    131,211,356.46/196,822,413.63 = 45,009,045.06/x
  3. Step 3: Cross multiply
    131,211,356.46x = 196,822,413.63 × 45,009,045.06
  4. Step 4: Simplify right side
    131,211,356.46x = 8,858,788,883,890,628
  5. Step 5: Solve for x
    x = 8,858,788,883,890,628/131,211,356.46
  6. Step 6: Final answer
    x = 67,515,412.71

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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.