Home / 243,237,509.88-335,663,616.78-131,727,446.04

Finding the Fourth Proportional to 243,237,509.88, 335,663,616.78 and 131,727,446.04

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Solution

The fourth proportional to 243,237,509.88, 335,663,616.78 and 131,727,446.04 is: 181,781,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,509.88 : 335,663,616.78 = 131,727,446.04 : x
  2. Step 2: Convert to fraction form
    243,237,509.88/335,663,616.78 = 131,727,446.04/x
  3. Step 3: Cross multiply
    243,237,509.88x = 335,663,616.78 × 131,727,446.04
  4. Step 4: Simplify right side
    243,237,509.88x = 44,216,110,966,978,688
  5. Step 5: Solve for x
    x = 44,216,110,966,978,688/243,237,509.88
  6. Step 6: Final answer
    x = 181,781,629.77

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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.