Home / 219,208,665.19-302,507,932.81-131,102,648.74

Finding the Fourth Proportional to 219,208,665.19, 302,507,932.81 and 131,102,648.74

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Solution

The fourth proportional to 219,208,665.19, 302,507,932.81 and 131,102,648.74 is: 180,921,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208,665.19 : 302,507,932.81 = 131,102,648.74 : x
  2. Step 2: Convert to fraction form
    219,208,665.19/302,507,932.81 = 131,102,648.74/x
  3. Step 3: Cross multiply
    219,208,665.19x = 302,507,932.81 × 131,102,648.74
  4. Step 4: Simplify right side
    219,208,665.19x = 39,659,591,256,252,952
  5. Step 5: Solve for x
    x = 39,659,591,256,252,952/219,208,665.19
  6. Step 6: Final answer
    x = 180,921,640.22

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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.