Home / 243,228,485.04-335,655,490.32-131,720,191.44

Finding the Fourth Proportional to 243,228,485.04, 335,655,490.32 and 131,720,191.44

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Solution

The fourth proportional to 243,228,485.04, 335,655,490.32 and 131,720,191.44 is: 181,773,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,228,485.04 : 335,655,490.32 = 131,720,191.44 : x
  2. Step 2: Convert to fraction form
    243,228,485.04/335,655,490.32 = 131,720,191.44/x
  3. Step 3: Cross multiply
    243,228,485.04x = 335,655,490.32 × 131,720,191.44
  4. Step 4: Simplify right side
    243,228,485.04x = 44,212,605,442,837,464
  5. Step 5: Solve for x
    x = 44,212,605,442,837,464/243,228,485.04
  6. Step 6: Final answer
    x = 181,773,962.19

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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.