Home / 116,006,006.92-160,042,980.48-66,419,879.86

Finding the Fourth Proportional to 116,006,006.92, 160,042,980.48 and 66,419,879.86

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Solution

The fourth proportional to 116,006,006.92, 160,042,980.48 and 66,419,879.86 is: 91,633,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006,006.92 : 160,042,980.48 = 66,419,879.86 : x
  2. Step 2: Convert to fraction form
    116,006,006.92/160,042,980.48 = 66,419,879.86/x
  3. Step 3: Cross multiply
    116,006,006.92x = 160,042,980.48 × 66,419,879.86
  4. Step 4: Simplify right side
    116,006,006.92x = 10,630,035,535,917,924
  5. Step 5: Solve for x
    x = 10,630,035,535,917,924/116,006,006.92
  6. Step 6: Final answer
    x = 91,633,492.25

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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.