Home / 212,446,224.96-293,168,915.14-121,934,613.76

Finding the Fourth Proportional to 212,446,224.96, 293,168,915.14 and 121,934,613.76

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Solution

The fourth proportional to 212,446,224.96, 293,168,915.14 and 121,934,613.76 is: 168,265,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,446,224.96 : 293,168,915.14 = 121,934,613.76 : x
  2. Step 2: Convert to fraction form
    212,446,224.96/293,168,915.14 = 121,934,613.76/x
  3. Step 3: Cross multiply
    212,446,224.96x = 293,168,915.14 × 121,934,613.76
  4. Step 4: Simplify right side
    212,446,224.96x = 35,747,438,434,034,116
  5. Step 5: Solve for x
    x = 35,747,438,434,034,116/212,446,224.96
  6. Step 6: Final answer
    x = 168,265,820.87

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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.