Home / 168,809,315.72-253,206,358.54-70,400,493.32

Finding the Fourth Proportional to 168,809,315.72, 253,206,358.54 and 70,400,493.32

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Solution

The fourth proportional to 168,809,315.72, 253,206,358.54 and 70,400,493.32 is: 105,597,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809,315.72 : 253,206,358.54 = 70,400,493.32 : x
  2. Step 2: Convert to fraction form
    168,809,315.72/253,206,358.54 = 70,400,493.32/x
  3. Step 3: Cross multiply
    168,809,315.72x = 253,206,358.54 × 70,400,493.32
  4. Step 4: Simplify right side
    168,809,315.72x = 17,825,852,552,976,792
  5. Step 5: Solve for x
    x = 17,825,852,552,976,792/168,809,315.72
  6. Step 6: Final answer
    x = 105,597,564.19

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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.