Home / 212,536,749.43-293,288,855.19-117,164,181.11

Finding the Fourth Proportional to 212,536,749.43, 293,288,855.19 and 117,164,181.11

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Solution

The fourth proportional to 212,536,749.43, 293,288,855.19 and 117,164,181.11 is: 161,680,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,536,749.43 : 293,288,855.19 = 117,164,181.11 : x
  2. Step 2: Convert to fraction form
    212,536,749.43/293,288,855.19 = 117,164,181.11/x
  3. Step 3: Cross multiply
    212,536,749.43x = 293,288,855.19 × 117,164,181.11
  4. Step 4: Simplify right side
    212,536,749.43x = 34,362,948,547,319,576
  5. Step 5: Solve for x
    x = 34,362,948,547,319,576/212,536,749.43
  6. Step 6: Final answer
    x = 161,680,032.46

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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.