Home / 210,198,225.18-290,067,930.72-116,110,347.12

Finding the Fourth Proportional to 210,198,225.18, 290,067,930.72 and 116,110,347.12

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Solution

The fourth proportional to 210,198,225.18, 290,067,930.72 and 116,110,347.12 is: 160,229,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198,225.18 : 290,067,930.72 = 116,110,347.12 : x
  2. Step 2: Convert to fraction form
    210,198,225.18/290,067,930.72 = 116,110,347.12/x
  3. Step 3: Cross multiply
    210,198,225.18x = 290,067,930.72 × 116,110,347.12
  4. Step 4: Simplify right side
    210,198,225.18x = 33,679,888,124,279,316
  5. Step 5: Solve for x
    x = 33,679,888,124,279,316/210,198,225.18
  6. Step 6: Final answer
    x = 160,229,174.61

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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.