Home / 146,635,020.81-202,333,834.17-84,743,406.81

Finding the Fourth Proportional to 146,635,020.81, 202,333,834.17 and 84,743,406.81

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Solution

The fourth proportional to 146,635,020.81, 202,333,834.17 and 84,743,406.81 is: 116,932,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,635,020.81 : 202,333,834.17 = 84,743,406.81 : x
  2. Step 2: Convert to fraction form
    146,635,020.81/202,333,834.17 = 84,743,406.81/x
  3. Step 3: Cross multiply
    146,635,020.81x = 202,333,834.17 × 84,743,406.81
  4. Step 4: Simplify right side
    146,635,020.81x = 17,146,458,420,495,388
  5. Step 5: Solve for x
    x = 17,146,458,420,495,388/146,635,020.81
  6. Step 6: Final answer
    x = 116,932,901.33

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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.