Home / 295,373,876.38-407,639,185.44-168,219,931.15

Finding the Fourth Proportional to 295,373,876.38, 407,639,185.44 and 168,219,931.15

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Solution

The fourth proportional to 295,373,876.38, 407,639,185.44 and 168,219,931.15 is: 232,156,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,373,876.38 : 407,639,185.44 = 168,219,931.15 : x
  2. Step 2: Convert to fraction form
    295,373,876.38/407,639,185.44 = 168,219,931.15/x
  3. Step 3: Cross multiply
    295,373,876.38x = 407,639,185.44 × 168,219,931.15
  4. Step 4: Simplify right side
    295,373,876.38x = 68,573,035,707,739,784
  5. Step 5: Solve for x
    x = 68,573,035,707,739,784/295,373,876.38
  6. Step 6: Final answer
    x = 232,156,738.26

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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.