Home / 331,947,412.48-457,539,168-221,898,972.16

Finding the Fourth Proportional to 331,947,412.48, 457,539,168 and 221,898,972.16

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Solution

The fourth proportional to 331,947,412.48, 457,539,168 and 221,898,972.16 is: 305,854,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,947,412.48 : 457,539,168 = 221,898,972.16 : x
  2. Step 2: Convert to fraction form
    331,947,412.48/457,539,168 = 221,898,972.16/x
  3. Step 3: Cross multiply
    331,947,412.48x = 457,539,168 × 221,898,972.16
  4. Step 4: Simplify right side
    331,947,412.48x = 101,527,471,102,141,568
  5. Step 5: Solve for x
    x = 101,527,471,102,141,568/331,947,412.48
  6. Step 6: Final answer
    x = 305,854,081.96

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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.