Home / 119,817,018.76-165,318,942.72-82,635,413.80

Finding the Fourth Proportional to 119,817,018.76, 165,318,942.72 and 82,635,413.80

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Solution

The fourth proportional to 119,817,018.76, 165,318,942.72 and 82,635,413.80 is: 114,017,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817,018.76 : 165,318,942.72 = 82,635,413.80 : x
  2. Step 2: Convert to fraction form
    119,817,018.76/165,318,942.72 = 82,635,413.80/x
  3. Step 3: Cross multiply
    119,817,018.76x = 165,318,942.72 × 82,635,413.80
  4. Step 4: Simplify right side
    119,817,018.76x = 13,661,199,240,645,696
  5. Step 5: Solve for x
    x = 13,661,199,240,645,696/119,817,018.76
  6. Step 6: Final answer
    x = 114,017,185.39

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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.