Home / 219,222,435.03-302,526,915.17-120,106,698.27

Finding the Fourth Proportional to 219,222,435.03, 302,526,915.17 and 120,106,698.27

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Solution

The fourth proportional to 219,222,435.03, 302,526,915.17 and 120,106,698.27 is: 165,747,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,222,435.03 : 302,526,915.17 = 120,106,698.27 : x
  2. Step 2: Convert to fraction form
    219,222,435.03/302,526,915.17 = 120,106,698.27/x
  3. Step 3: Cross multiply
    219,222,435.03x = 302,526,915.17 × 120,106,698.27
  4. Step 4: Simplify right side
    219,222,435.03x = 36,335,508,918,276,544
  5. Step 5: Solve for x
    x = 36,335,508,918,276,544/219,222,435.03
  6. Step 6: Final answer
    x = 165,747,218.86

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1.5x scale

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.