Home / 117,076,562.22-161,563,559.94-64,864,550.28

Finding the Fourth Proportional to 117,076,562.22, 161,563,559.94 and 64,864,550.28

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Solution

The fourth proportional to 117,076,562.22, 161,563,559.94 and 64,864,550.28 is: 89,511,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076,562.22 : 161,563,559.94 = 64,864,550.28 : x
  2. Step 2: Convert to fraction form
    117,076,562.22/161,563,559.94 = 64,864,550.28/x
  3. Step 3: Cross multiply
    117,076,562.22x = 161,563,559.94 × 64,864,550.28
  4. Step 4: Simplify right side
    117,076,562.22x = 10,479,747,657,143,924
  5. Step 5: Solve for x
    x = 10,479,747,657,143,924/117,076,562.22
  6. Step 6: Final answer
    x = 89,511,918.17

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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.