Home / 243,065,216.48-335,432,240-143,951,601.20

Finding the Fourth Proportional to 243,065,216.48, 335,432,240 and 143,951,601.20

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Solution

The fourth proportional to 243,065,216.48, 335,432,240 and 143,951,601.20 is: 198,654,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,065,216.48 : 335,432,240 = 143,951,601.20 : x
  2. Step 2: Convert to fraction form
    243,065,216.48/335,432,240 = 143,951,601.20/x
  3. Step 3: Cross multiply
    243,065,216.48x = 335,432,240 × 143,951,601.20
  4. Step 4: Simplify right side
    243,065,216.48x = 48,286,008,042,102,688
  5. Step 5: Solve for x
    x = 48,286,008,042,102,688/243,065,216.48
  6. Step 6: Final answer
    x = 198,654,537.01

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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.