Home / 161,986,109.94-242,989,939.31-56,928,746.88

Finding the Fourth Proportional to 161,986,109.94, 242,989,939.31 and 56,928,746.88

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Solution

The fourth proportional to 161,986,109.94, 242,989,939.31 and 56,928,746.88 is: 85,396,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986,109.94 : 242,989,939.31 = 56,928,746.88 : x
  2. Step 2: Convert to fraction form
    161,986,109.94/242,989,939.31 = 56,928,746.88/x
  3. Step 3: Cross multiply
    161,986,109.94x = 242,989,939.31 × 56,928,746.88
  4. Step 4: Simplify right side
    161,986,109.94x = 13,833,112,749,080,910
  5. Step 5: Solve for x
    x = 13,833,112,749,080,910/161,986,109.94
  6. Step 6: Final answer
    x = 85,396,906.90

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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.