Home / 219,208,673.79-302,507,944.61-131,102,657.33

Finding the Fourth Proportional to 219,208,673.79, 302,507,944.61 and 131,102,657.33

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Solution

The fourth proportional to 219,208,673.79, 302,507,944.61 and 131,102,657.33 is: 180,921,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208,673.79 : 302,507,944.61 = 131,102,657.33 : x
  2. Step 2: Convert to fraction form
    219,208,673.79/302,507,944.61 = 131,102,657.33/x
  3. Step 3: Cross multiply
    219,208,673.79x = 302,507,944.61 × 131,102,657.33
  4. Step 4: Simplify right side
    219,208,673.79x = 39,659,595,399,639,400
  5. Step 5: Solve for x
    x = 39,659,595,399,639,400/219,208,673.79
  6. Step 6: Final answer
    x = 180,921,652.02

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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.