Home / 69,790,570.31-104,689,792.08-21,270,007.01

Finding the Fourth Proportional to 69,790,570.31, 104,689,792.08 and 21,270,007.01

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Solution

The fourth proportional to 69,790,570.31, 104,689,792.08 and 21,270,007.01 is: 31,906,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790,570.31 : 104,689,792.08 = 21,270,007.01 : x
  2. Step 2: Convert to fraction form
    69,790,570.31/104,689,792.08 = 21,270,007.01/x
  3. Step 3: Cross multiply
    69,790,570.31x = 104,689,792.08 × 21,270,007.01
  4. Step 4: Simplify right side
    69,790,570.31x = 2,226,752,610,787,243.50
  5. Step 5: Solve for x
    x = 2,226,752,610,787,243.50/69,790,570.31
  6. Step 6: Final answer
    x = 31,906,210.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.