Home / 243,228,483.04-335,655,487.56-131,720,189.44

Finding the Fourth Proportional to 243,228,483.04, 335,655,487.56 and 131,720,189.44

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Solution

The fourth proportional to 243,228,483.04, 335,655,487.56 and 131,720,189.44 is: 181,773,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,228,483.04 : 335,655,487.56 = 131,720,189.44 : x
  2. Step 2: Convert to fraction form
    243,228,483.04/335,655,487.56 = 131,720,189.44/x
  3. Step 3: Cross multiply
    243,228,483.04x = 335,655,487.56 × 131,720,189.44
  4. Step 4: Simplify right side
    243,228,483.04x = 44,212,604,407,978,760
  5. Step 5: Solve for x
    x = 44,212,604,407,978,760/243,228,483.04
  6. Step 6: Final answer
    x = 181,773,959.43

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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.