Home / 86,720,295.89-119,662,976.88-49,552,979.93

Finding the Fourth Proportional to 86,720,295.89, 119,662,976.88 and 49,552,979.93

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Solution

The fourth proportional to 86,720,295.89, 119,662,976.88 and 49,552,979.93 is: 68,376,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,295.89 : 119,662,976.88 = 49,552,979.93 : x
  2. Step 2: Convert to fraction form
    86,720,295.89/119,662,976.88 = 49,552,979.93/x
  3. Step 3: Cross multiply
    86,720,295.89x = 119,662,976.88 × 49,552,979.93
  4. Step 4: Simplify right side
    86,720,295.89x = 5,929,657,092,082,976
  5. Step 5: Solve for x
    x = 5,929,657,092,082,976/86,720,295.89
  6. Step 6: Final answer
    x = 68,376,808.81

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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.