Home / 201,449,228.90-302,173,843.35-140,227,225.70

Finding the Fourth Proportional to 201,449,228.90, 302,173,843.35 and 140,227,225.70

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Solution

The fourth proportional to 201,449,228.90, 302,173,843.35 and 140,227,225.70 is: 210,340,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,228.90 : 302,173,843.35 = 140,227,225.70 : x
  2. Step 2: Convert to fraction form
    201,449,228.90/302,173,843.35 = 140,227,225.70/x
  3. Step 3: Cross multiply
    201,449,228.90x = 302,173,843.35 × 140,227,225.70
  4. Step 4: Simplify right side
    201,449,228.90x = 42,372,999,732,076,896
  5. Step 5: Solve for x
    x = 42,372,999,732,076,896/201,449,228.90
  6. Step 6: Final answer
    x = 210,340,838.55

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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.