Home / 243,219,372.30-335,643,057.36-131,710,405.32

Finding the Fourth Proportional to 243,219,372.30, 335,643,057.36 and 131,710,405.32

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Solution

The fourth proportional to 243,219,372.30, 335,643,057.36 and 131,710,405.32 is: 181,760,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,219,372.30 : 335,643,057.36 = 131,710,405.32 : x
  2. Step 2: Convert to fraction form
    243,219,372.30/335,643,057.36 = 131,710,405.32/x
  3. Step 3: Cross multiply
    243,219,372.30x = 335,643,057.36 × 131,710,405.32
  4. Step 4: Simplify right side
    243,219,372.30x = 44,207,683,127,729,608
  5. Step 5: Solve for x
    x = 44,207,683,127,729,608/243,219,372.30
  6. Step 6: Final answer
    x = 181,760,534.57

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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.