Home / 78,032,647.23-107,685,015.66-46,670,695.62

Finding the Fourth Proportional to 78,032,647.23, 107,685,015.66 and 46,670,695.62

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Solution

The fourth proportional to 78,032,647.23, 107,685,015.66 and 46,670,695.62 is: 64,405,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032,647.23 : 107,685,015.66 = 46,670,695.62 : x
  2. Step 2: Convert to fraction form
    78,032,647.23/107,685,015.66 = 46,670,695.62/x
  3. Step 3: Cross multiply
    78,032,647.23x = 107,685,015.66 × 46,670,695.62
  4. Step 4: Simplify right side
    78,032,647.23x = 5,025,734,588,702,793
  5. Step 5: Solve for x
    x = 5,025,734,588,702,793/78,032,647.23
  6. Step 6: Final answer
    x = 64,405,537.52

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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.