Home / 216,619,091.97-298,932,579.23-117,499,590.01

Finding the Fourth Proportional to 216,619,091.97, 298,932,579.23 and 117,499,590.01

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Solution

The fourth proportional to 216,619,091.97, 298,932,579.23 and 117,499,590.01 is: 162,148,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,091.97 : 298,932,579.23 = 117,499,590.01 : x
  2. Step 2: Convert to fraction form
    216,619,091.97/298,932,579.23 = 117,499,590.01/x
  3. Step 3: Cross multiply
    216,619,091.97x = 298,932,579.23 × 117,499,590.01
  4. Step 4: Simplify right side
    216,619,091.97x = 35,124,455,500,156,844
  5. Step 5: Solve for x
    x = 35,124,455,500,156,844/216,619,091.97
  6. Step 6: Final answer
    x = 162,148,475.38

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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.