Home / 122,052,435.48-168,476,558.58-80,812,613.88

Finding the Fourth Proportional to 122,052,435.48, 168,476,558.58 and 80,812,613.88

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Solution

The fourth proportional to 122,052,435.48, 168,476,558.58 and 80,812,613.88 is: 111,550,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052,435.48 : 168,476,558.58 = 80,812,613.88 : x
  2. Step 2: Convert to fraction form
    122,052,435.48/168,476,558.58 = 80,812,613.88/x
  3. Step 3: Cross multiply
    122,052,435.48x = 168,476,558.58 × 80,812,613.88
  4. Step 4: Simplify right side
    122,052,435.48x = 13,615,031,076,356,742
  5. Step 5: Solve for x
    x = 13,615,031,076,356,742/122,052,435.48
  6. Step 6: Final answer
    x = 111,550,671.01

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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.