Home / 86,328,561.87-129,584,983.83-37,168,743.93

Finding the Fourth Proportional to 86,328,561.87, 129,584,983.83 and 37,168,743.93

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Solution

The fourth proportional to 86,328,561.87, 129,584,983.83 and 37,168,743.93 is: 55,792,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,328,561.87 : 129,584,983.83 = 37,168,743.93 : x
  2. Step 2: Convert to fraction form
    86,328,561.87/129,584,983.83 = 37,168,743.93/x
  3. Step 3: Cross multiply
    86,328,561.87x = 129,584,983.83 × 37,168,743.93
  4. Step 4: Simplify right side
    86,328,561.87x = 4,816,511,081,150,461
  5. Step 5: Solve for x
    x = 4,816,511,081,150,461/86,328,561.87
  6. Step 6: Final answer
    x = 55,792,787.19

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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.