Home / 262,480,005.16-393,628,829.82-146,073,003.28

Finding the Fourth Proportional to 262,480,005.16, 393,628,829.82 and 146,073,003.28

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Solution

The fourth proportional to 262,480,005.16, 393,628,829.82 and 146,073,003.28 is: 219,058,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,480,005.16 : 393,628,829.82 = 146,073,003.28 : x
  2. Step 2: Convert to fraction form
    262,480,005.16/393,628,829.82 = 146,073,003.28/x
  3. Step 3: Cross multiply
    262,480,005.16x = 393,628,829.82 × 146,073,003.28
  4. Step 4: Simplify right side
    262,480,005.16x = 57,498,545,349,399,424
  5. Step 5: Solve for x
    x = 57,498,545,349,399,424/262,480,005.16
  6. Step 6: Final answer
    x = 219,058,763.41

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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.