Home / 219,208,672.64-302,507,943.06-131,102,656.18

Finding the Fourth Proportional to 219,208,672.64, 302,507,943.06 and 131,102,656.18

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Solution

The fourth proportional to 219,208,672.64, 302,507,943.06 and 131,102,656.18 is: 180,921,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208,672.64 : 302,507,943.06 = 131,102,656.18 : x
  2. Step 2: Convert to fraction form
    219,208,672.64/302,507,943.06 = 131,102,656.18/x
  3. Step 3: Cross multiply
    219,208,672.64x = 302,507,943.06 × 131,102,656.18
  4. Step 4: Simplify right side
    219,208,672.64x = 39,659,594,850,449,568
  5. Step 5: Solve for x
    x = 39,659,594,850,449,568/219,208,672.64
  6. Step 6: Final answer
    x = 180,921,650.46

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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.