Home / 77,695,999.70-116,543,999.55-41,864,191.70

Finding the Fourth Proportional to 77,695,999.70, 116,543,999.55 and 41,864,191.70

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Solution

The fourth proportional to 77,695,999.70, 116,543,999.55 and 41,864,191.70 is: 62,796,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,695,999.70 : 116,543,999.55 = 41,864,191.70 : x
  2. Step 2: Convert to fraction form
    77,695,999.70/116,543,999.55 = 41,864,191.70/x
  3. Step 3: Cross multiply
    77,695,999.70x = 116,543,999.55 × 41,864,191.70
  4. Step 4: Simplify right side
    77,695,999.70x = 4,879,020,338,645,914
  5. Step 5: Solve for x
    x = 4,879,020,338,645,914/77,695,999.70
  6. Step 6: Final answer
    x = 62,796,287.55

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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.