Home / 216,076,863.42-298,214,457.03-123,236,089.02

Finding the Fourth Proportional to 216,076,863.42, 298,214,457.03 and 123,236,089.02

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Solution

The fourth proportional to 216,076,863.42, 298,214,457.03 and 123,236,089.02 is: 170,081,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,076,863.42 : 298,214,457.03 = 123,236,089.02 : x
  2. Step 2: Convert to fraction form
    216,076,863.42/298,214,457.03 = 123,236,089.02/x
  3. Step 3: Cross multiply
    216,076,863.42x = 298,214,457.03 × 123,236,089.02
  4. Step 4: Simplify right side
    216,076,863.42x = 36,750,783,373,600,040
  5. Step 5: Solve for x
    x = 36,750,783,373,600,040/216,076,863.42
  6. Step 6: Final answer
    x = 170,081,992.08

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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.