Home / 212,446,223.96-293,168,913.76-121,934,612.76

Finding the Fourth Proportional to 212,446,223.96, 293,168,913.76 and 121,934,612.76

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Solution

The fourth proportional to 212,446,223.96, 293,168,913.76 and 121,934,612.76 is: 168,265,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,446,223.96 : 293,168,913.76 = 121,934,612.76 : x
  2. Step 2: Convert to fraction form
    212,446,223.96/293,168,913.76 = 121,934,612.76/x
  3. Step 3: Cross multiply
    212,446,223.96x = 293,168,913.76 × 121,934,612.76
  4. Step 4: Simplify right side
    212,446,223.96x = 35,747,437,972,595,436
  5. Step 5: Solve for x
    x = 35,747,437,972,595,436/212,446,223.96
  6. Step 6: Final answer
    x = 168,265,819.49

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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.