Home / 243,237,473.09-335,663,564.18-131,727,407.82

Finding the Fourth Proportional to 243,237,473.09, 335,663,564.18 and 131,727,407.82

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Solution

The fourth proportional to 243,237,473.09, 335,663,564.18 and 131,727,407.82 is: 181,781,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,473.09 : 335,663,564.18 = 131,727,407.82 : x
  2. Step 2: Convert to fraction form
    243,237,473.09/335,663,564.18 = 131,727,407.82/x
  3. Step 3: Cross multiply
    243,237,473.09x = 335,663,564.18 × 131,727,407.82
  4. Step 4: Simplify right side
    243,237,473.09x = 44,216,091,207,375,288
  5. Step 5: Solve for x
    x = 44,216,091,207,375,288/243,237,473.09
  6. Step 6: Final answer
    x = 181,781,576.03

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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.