Home / 152,254,071.33-210,104,992.29-82,637,957.54

Finding the Fourth Proportional to 152,254,071.33, 210,104,992.29 and 82,637,957.54

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Solution

The fourth proportional to 152,254,071.33, 210,104,992.29 and 82,637,957.54 is: 114,037,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254,071.33 : 210,104,992.29 = 82,637,957.54 : x
  2. Step 2: Convert to fraction form
    152,254,071.33/210,104,992.29 = 82,637,957.54/x
  3. Step 3: Cross multiply
    152,254,071.33x = 210,104,992.29 × 82,637,957.54
  4. Step 4: Simplify right side
    152,254,071.33x = 17,362,647,430,752,520
  5. Step 5: Solve for x
    x = 17,362,647,430,752,520/152,254,071.33
  6. Step 6: Final answer
    x = 114,037,327.73

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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.