Home / 223,633,572.90-308,610,645.53-130,829,802.54

Finding the Fourth Proportional to 223,633,572.90, 308,610,645.53 and 130,829,802.54

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Solution

The fourth proportional to 223,633,572.90, 308,610,645.53 and 130,829,802.54 is: 180,542,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,633,572.90 : 308,610,645.53 = 130,829,802.54 : x
  2. Step 2: Convert to fraction form
    223,633,572.90/308,610,645.53 = 130,829,802.54/x
  3. Step 3: Cross multiply
    223,633,572.90x = 308,610,645.53 × 130,829,802.54
  4. Step 4: Simplify right side
    223,633,572.90x = 40,375,469,816,431,832
  5. Step 5: Solve for x
    x = 40,375,469,816,431,832/223,633,572.90
  6. Step 6: Final answer
    x = 180,542,971.67

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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.