Home / 211,766,815.10-292,245,293.03-117,684,927.43

Finding the Fourth Proportional to 211,766,815.10, 292,245,293.03 and 117,684,927.43

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Solution

The fourth proportional to 211,766,815.10, 292,245,293.03 and 117,684,927.43 is: 162,409,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766,815.10 : 292,245,293.03 = 117,684,927.43 : x
  2. Step 2: Convert to fraction form
    211,766,815.10/292,245,293.03 = 117,684,927.43/x
  3. Step 3: Cross multiply
    211,766,815.10x = 292,245,293.03 × 117,684,927.43
  4. Step 4: Simplify right side
    211,766,815.10x = 34,392,866,100,827,624
  5. Step 5: Solve for x
    x = 34,392,866,100,827,624/211,766,815.10
  6. Step 6: Final answer
    x = 162,409,138.96

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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.