Home / 199,584,026.40-299,376,039.60-113,587,687.20

Finding the Fourth Proportional to 199,584,026.40, 299,376,039.60 and 113,587,687.20

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Solution

The fourth proportional to 199,584,026.40, 299,376,039.60 and 113,587,687.20 is: 170,381,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584,026.40 : 299,376,039.60 = 113,587,687.20 : x
  2. Step 2: Convert to fraction form
    199,584,026.40/299,376,039.60 = 113,587,687.20/x
  3. Step 3: Cross multiply
    199,584,026.40x = 299,376,039.60 × 113,587,687.20
  4. Step 4: Simplify right side
    199,584,026.40x = 34,005,431,941,259,616
  5. Step 5: Solve for x
    x = 34,005,431,941,259,616/199,584,026.40
  6. Step 6: Final answer
    x = 170,381,530.80

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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.