Home / 161,318,238.92-241,976,989.32-69,142,208.64

Finding the Fourth Proportional to 161,318,238.92, 241,976,989.32 and 69,142,208.64

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Solution

The fourth proportional to 161,318,238.92, 241,976,989.32 and 69,142,208.64 is: 103,713,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,318,238.92 : 241,976,989.32 = 69,142,208.64 : x
  2. Step 2: Convert to fraction form
    161,318,238.92/241,976,989.32 = 69,142,208.64/x
  3. Step 3: Cross multiply
    161,318,238.92x = 241,976,989.32 × 69,142,208.64
  4. Step 4: Simplify right side
    161,318,238.92x = 16,730,823,480,475,796
  5. Step 5: Solve for x
    x = 16,730,823,480,475,796/161,318,238.92
  6. Step 6: Final answer
    x = 103,713,154.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.