Home / 121,619,563.80-182,174,984.10-56,978,539.80

Finding the Fourth Proportional to 121,619,563.80, 182,174,984.10 and 56,978,539.80

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Solution

The fourth proportional to 121,619,563.80, 182,174,984.10 and 56,978,539.80 is: 85,348,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,619,563.80 : 182,174,984.10 = 56,978,539.80 : x
  2. Step 2: Convert to fraction form
    121,619,563.80/182,174,984.10 = 56,978,539.80/x
  3. Step 3: Cross multiply
    121,619,563.80x = 182,174,984.10 × 56,978,539.80
  4. Step 4: Simplify right side
    121,619,563.80x = 10,380,064,582,106,216
  5. Step 5: Solve for x
    x = 10,380,064,582,106,216/121,619,563.80
  6. Step 6: Final answer
    x = 85,348,641.76

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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.