Home / 219,561,792.45-302,995,733.48-120,443,340.26

Finding the Fourth Proportional to 219,561,792.45, 302,995,733.48 and 120,443,340.26

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Solution

The fourth proportional to 219,561,792.45, 302,995,733.48 and 120,443,340.26 is: 166,212,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,561,792.45 : 302,995,733.48 = 120,443,340.26 : x
  2. Step 2: Convert to fraction form
    219,561,792.45/302,995,733.48 = 120,443,340.26/x
  3. Step 3: Cross multiply
    219,561,792.45x = 302,995,733.48 × 120,443,340.26
  4. Step 4: Simplify right side
    219,561,792.45x = 36,493,818,224,859,920
  5. Step 5: Solve for x
    x = 36,493,818,224,859,920/219,561,792.45
  6. Step 6: Final answer
    x = 166,212,061.84

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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.