Home / 206,622,369.93-285,138,875.70-113,802,877.77

Finding the Fourth Proportional to 206,622,369.93, 285,138,875.70 and 113,802,877.77

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Solution

The fourth proportional to 206,622,369.93, 285,138,875.70 and 113,802,877.77 is: 157,047,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,622,369.93 : 285,138,875.70 = 113,802,877.77 : x
  2. Step 2: Convert to fraction form
    206,622,369.93/285,138,875.70 = 113,802,877.77/x
  3. Step 3: Cross multiply
    206,622,369.93x = 285,138,875.70 × 113,802,877.77
  4. Step 4: Simplify right side
    206,622,369.93x = 32,449,624,619,475,168
  5. Step 5: Solve for x
    x = 32,449,624,619,475,168/206,622,369.93
  6. Step 6: Final answer
    x = 157,047,974.19

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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.