Home / 198,300,654.72-273,657,751.02-109,000,869.84

Finding the Fourth Proportional to 198,300,654.72, 273,657,751.02 and 109,000,869.84

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Solution

The fourth proportional to 198,300,654.72, 273,657,751.02 and 109,000,869.84 is: 150,422,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,300,654.72 : 273,657,751.02 = 109,000,869.84 : x
  2. Step 2: Convert to fraction form
    198,300,654.72/273,657,751.02 = 109,000,869.84/x
  3. Step 3: Cross multiply
    198,300,654.72x = 273,657,751.02 × 109,000,869.84
  4. Step 4: Simplify right side
    198,300,654.72x = 29,828,932,899,638,148
  5. Step 5: Solve for x
    x = 29,828,932,899,638,148/198,300,654.72
  6. Step 6: Final answer
    x = 150,422,765.58

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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.