Home / 57,420,943.80-86,131,415.70-56,665,116.60

Finding the Fourth Proportional to 57,420,943.80, 86,131,415.70 and 56,665,116.60

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Solution

The fourth proportional to 57,420,943.80, 86,131,415.70 and 56,665,116.60 is: 84,997,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420,943.80 : 86,131,415.70 = 56,665,116.60 : x
  2. Step 2: Convert to fraction form
    57,420,943.80/86,131,415.70 = 56,665,116.60/x
  3. Step 3: Cross multiply
    57,420,943.80x = 86,131,415.70 × 56,665,116.60
  4. Step 4: Simplify right side
    57,420,943.80x = 4,880,646,713,563,571
  5. Step 5: Solve for x
    x = 4,880,646,713,563,571/57,420,943.80
  6. Step 6: Final answer
    x = 84,997,674.90

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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.