Home / 111,104,345.93-153,377,164.44-73,996,379.69

Finding the Fourth Proportional to 111,104,345.93, 153,377,164.44 and 73,996,379.69

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Solution

The fourth proportional to 111,104,345.93, 153,377,164.44 and 73,996,379.69 is: 102,150,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,104,345.93 : 153,377,164.44 = 73,996,379.69 : x
  2. Step 2: Convert to fraction form
    111,104,345.93/153,377,164.44 = 73,996,379.69/x
  3. Step 3: Cross multiply
    111,104,345.93x = 153,377,164.44 × 73,996,379.69
  4. Step 4: Simplify right side
    111,104,345.93x = 11,349,354,894,910,920
  5. Step 5: Solve for x
    x = 11,349,354,894,910,920/111,104,345.93
  6. Step 6: Final answer
    x = 102,150,413.65

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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.