Home / 255,789,586.48-352,993,258.92-156,634,155.76

Finding the Fourth Proportional to 255,789,586.48, 352,993,258.92 and 156,634,155.76

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Solution

The fourth proportional to 255,789,586.48, 352,993,258.92 and 156,634,155.76 is: 216,157,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,789,586.48 : 352,993,258.92 = 156,634,155.76 : x
  2. Step 2: Convert to fraction form
    255,789,586.48/352,993,258.92 = 156,634,155.76/x
  3. Step 3: Cross multiply
    255,789,586.48x = 352,993,258.92 × 156,634,155.76
  4. Step 4: Simplify right side
    255,789,586.48x = 55,290,801,099,905,288
  5. Step 5: Solve for x
    x = 55,290,801,099,905,288/255,789,586.48
  6. Step 6: Final answer
    x = 216,157,357.54

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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.