Home / 211,766,976.81-292,245,516.27-117,685,088.96

Finding the Fourth Proportional to 211,766,976.81, 292,245,516.27 and 117,685,088.96

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Solution

The fourth proportional to 211,766,976.81, 292,245,516.27 and 117,685,088.96 is: 162,409,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766,976.81 : 292,245,516.27 = 117,685,088.96 : x
  2. Step 2: Convert to fraction form
    211,766,976.81/292,245,516.27 = 117,685,088.96/x
  3. Step 3: Cross multiply
    211,766,976.81x = 292,245,516.27 × 117,685,088.96
  4. Step 4: Simplify right side
    211,766,976.81x = 34,392,939,578,934,848
  5. Step 5: Solve for x
    x = 34,392,939,578,934,848/211,766,976.81
  6. Step 6: Final answer
    x = 162,409,361.92

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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.