Home / 423,166,498.20-634,749,747.30-112,273,513.20

Finding the Fourth Proportional to 423,166,498.20, 634,749,747.30 and 112,273,513.20

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Solution

The fourth proportional to 423,166,498.20, 634,749,747.30 and 112,273,513.20 is: 168,410,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,166,498.20 : 634,749,747.30 = 112,273,513.20 : x
  2. Step 2: Convert to fraction form
    423,166,498.20/634,749,747.30 = 112,273,513.20/x
  3. Step 3: Cross multiply
    423,166,498.20x = 634,749,747.30 × 112,273,513.20
  4. Step 4: Simplify right side
    423,166,498.20x = 71,265,584,132,183,208
  5. Step 5: Solve for x
    x = 71,265,584,132,183,208/423,166,498.20
  6. Step 6: Final answer
    x = 168,410,269.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.