Home / 68,717,407.23-103,076,130.06-20,195,258.40

Finding the Fourth Proportional to 68,717,407.23, 103,076,130.06 and 20,195,258.40

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Solution

The fourth proportional to 68,717,407.23, 103,076,130.06 and 20,195,258.40 is: 30,292,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,407.23 : 103,076,130.06 = 20,195,258.40 : x
  2. Step 2: Convert to fraction form
    68,717,407.23/103,076,130.06 = 20,195,258.40/x
  3. Step 3: Cross multiply
    68,717,407.23x = 103,076,130.06 × 20,195,258.40
  4. Step 4: Simplify right side
    68,717,407.23x = 2,081,649,081,433,707.50
  5. Step 5: Solve for x
    x = 2,081,649,081,433,707.50/68,717,407.23
  6. Step 6: Final answer
    x = 30,292,893.25

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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.