Home / 243,228,481.29-335,655,485.15-131,720,187.69

Finding the Fourth Proportional to 243,228,481.29, 335,655,485.15 and 131,720,187.69

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Solution

The fourth proportional to 243,228,481.29, 335,655,485.15 and 131,720,187.69 is: 181,773,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,228,481.29 : 335,655,485.15 = 131,720,187.69 : x
  2. Step 2: Convert to fraction form
    243,228,481.29/335,655,485.15 = 131,720,187.69/x
  3. Step 3: Cross multiply
    243,228,481.29x = 335,655,485.15 × 131,720,187.69
  4. Step 4: Simplify right side
    243,228,481.29x = 44,212,603,502,477,400
  5. Step 5: Solve for x
    x = 44,212,603,502,477,400/243,228,481.29
  6. Step 6: Final answer
    x = 181,773,957.01

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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.