Home / 85,192,345.86-117,574,779.18-49,436,663.23

Finding the Fourth Proportional to 85,192,345.86, 117,574,779.18 and 49,436,663.23

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Solution

The fourth proportional to 85,192,345.86, 117,574,779.18 and 49,436,663.23 is: 68,228,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,192,345.86 : 117,574,779.18 = 49,436,663.23 : x
  2. Step 2: Convert to fraction form
    85,192,345.86/117,574,779.18 = 49,436,663.23/x
  3. Step 3: Cross multiply
    85,192,345.86x = 117,574,779.18 × 49,436,663.23
  4. Step 4: Simplify right side
    85,192,345.86x = 5,812,504,762,334,274
  5. Step 5: Solve for x
    x = 5,812,504,762,334,274/85,192,345.86
  6. Step 6: Final answer
    x = 68,228,016.31

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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.