Home / 152,167,516.19-209,991,579.32-82,552,897.08

Finding the Fourth Proportional to 152,167,516.19, 209,991,579.32 and 82,552,897.08

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Solution

The fourth proportional to 152,167,516.19, 209,991,579.32 and 82,552,897.08 is: 113,923,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,167,516.19 : 209,991,579.32 = 82,552,897.08 : x
  2. Step 2: Convert to fraction form
    152,167,516.19/209,991,579.32 = 82,552,897.08/x
  3. Step 3: Cross multiply
    152,167,516.19x = 209,991,579.32 × 82,552,897.08
  4. Step 4: Simplify right side
    152,167,516.19x = 17,335,413,235,476,998
  5. Step 5: Solve for x
    x = 17,335,413,235,476,998/152,167,516.19
  6. Step 6: Final answer
    x = 113,923,218.76

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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.