Home / 299,291,058.40-449,085,886.80-169,997,951.20

Finding the Fourth Proportional to 299,291,058.40, 449,085,886.80 and 169,997,951.20

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Solution

The fourth proportional to 299,291,058.40, 449,085,886.80 and 169,997,951.20 is: 255,081,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,291,058.40 : 449,085,886.80 = 169,997,951.20 : x
  2. Step 2: Convert to fraction form
    299,291,058.40/449,085,886.80 = 169,997,951.20/x
  3. Step 3: Cross multiply
    299,291,058.40x = 449,085,886.80 × 169,997,951.20
  4. Step 4: Simplify right side
    299,291,058.40x = 76,343,680,668,835,120
  5. Step 5: Solve for x
    x = 76,343,680,668,835,120/299,291,058.40
  6. Step 6: Final answer
    x = 255,081,729.06

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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.