Home / 220,461,036.30-329,907,733.65-192,019,538.70

Finding the Fourth Proportional to 220,461,036.30, 329,907,733.65 and 192,019,538.70

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Solution

The fourth proportional to 220,461,036.30, 329,907,733.65 and 192,019,538.70 is: 287,346,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,461,036.30 : 329,907,733.65 = 192,019,538.70 : x
  2. Step 2: Convert to fraction form
    220,461,036.30/329,907,733.65 = 192,019,538.70/x
  3. Step 3: Cross multiply
    220,461,036.30x = 329,907,733.65 × 192,019,538.70
  4. Step 4: Simplify right side
    220,461,036.30x = 63,348,730,829,035,456
  5. Step 5: Solve for x
    x = 63,348,730,829,035,456/220,461,036.30
  6. Step 6: Final answer
    x = 287,346,607.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.