Home / 116,792,939.08-161,119,379.04-83,309,818.72

Finding the Fourth Proportional to 116,792,939.08, 161,119,379.04 and 83,309,818.72

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Solution

The fourth proportional to 116,792,939.08, 161,119,379.04 and 83,309,818.72 is: 114,928,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,792,939.08 : 161,119,379.04 = 83,309,818.72 : x
  2. Step 2: Convert to fraction form
    116,792,939.08/161,119,379.04 = 83,309,818.72/x
  3. Step 3: Cross multiply
    116,792,939.08x = 161,119,379.04 × 83,309,818.72
  4. Step 4: Simplify right side
    116,792,939.08x = 13,422,826,259,295,770
  5. Step 5: Solve for x
    x = 13,422,826,259,295,770/116,792,939.08
  6. Step 6: Final answer
    x = 114,928,405.48

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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.