Home / 164,735,005.19-227,333,683.32-90,396,809.51

Finding the Fourth Proportional to 164,735,005.19, 227,333,683.32 and 90,396,809.51

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Solution

The fourth proportional to 164,735,005.19, 227,333,683.32 and 90,396,809.51 is: 124,747,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,735,005.19 : 227,333,683.32 = 90,396,809.51 : x
  2. Step 2: Convert to fraction form
    164,735,005.19/227,333,683.32 = 90,396,809.51/x
  3. Step 3: Cross multiply
    164,735,005.19x = 227,333,683.32 × 90,396,809.51
  4. Step 4: Simplify right side
    164,735,005.19x = 20,550,239,665,148,036
  5. Step 5: Solve for x
    x = 20,550,239,665,148,036/164,735,005.19
  6. Step 6: Final answer
    x = 124,747,254.79

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1.5x scale

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.