Home / 219,621,809.74-303,083,675.16-120,502,530.64

Finding the Fourth Proportional to 219,621,809.74, 303,083,675.16 and 120,502,530.64

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Solution

The fourth proportional to 219,621,809.74, 303,083,675.16 and 120,502,530.64 is: 166,296,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,621,809.74 : 303,083,675.16 = 120,502,530.64 : x
  2. Step 2: Convert to fraction form
    219,621,809.74/303,083,675.16 = 120,502,530.64/x
  3. Step 3: Cross multiply
    219,621,809.74x = 303,083,675.16 × 120,502,530.64
  4. Step 4: Simplify right side
    219,621,809.74x = 36,522,349,852,451,712
  5. Step 5: Solve for x
    x = 36,522,349,852,451,712/219,621,809.74
  6. Step 6: Final answer
    x = 166,296,552.68

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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.