Home / 305,035,304.30-420,994,733.94-186,026,939.42

Finding the Fourth Proportional to 305,035,304.30, 420,994,733.94 and 186,026,939.42

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Solution

The fourth proportional to 305,035,304.30, 420,994,733.94 and 186,026,939.42 is: 256,745,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035,304.30 : 420,994,733.94 = 186,026,939.42 : x
  2. Step 2: Convert to fraction form
    305,035,304.30/420,994,733.94 = 186,026,939.42/x
  3. Step 3: Cross multiply
    305,035,304.30x = 420,994,733.94 × 186,026,939.42
  4. Step 4: Simplify right side
    305,035,304.30x = 78,316,361,865,865,264
  5. Step 5: Solve for x
    x = 78,316,361,865,865,264/305,035,304.30
  6. Step 6: Final answer
    x = 256,745,238.22

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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.