Home / 109,076,798.40-163,615,197.60-68,262,129.60

Finding the Fourth Proportional to 109,076,798.40, 163,615,197.60 and 68,262,129.60

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Solution

The fourth proportional to 109,076,798.40, 163,615,197.60 and 68,262,129.60 is: 102,393,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,076,798.40 : 163,615,197.60 = 68,262,129.60 : x
  2. Step 2: Convert to fraction form
    109,076,798.40/163,615,197.60 = 68,262,129.60/x
  3. Step 3: Cross multiply
    109,076,798.40x = 163,615,197.60 × 68,262,129.60
  4. Step 4: Simplify right side
    109,076,798.40x = 11,168,721,823,100,808
  5. Step 5: Solve for x
    x = 11,168,721,823,100,808/109,076,798.40
  6. Step 6: Final answer
    x = 102,393,194.40

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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.