Home / 199,302,605.40-298,953,908.10-190,693,261.20

Finding the Fourth Proportional to 199,302,605.40, 298,953,908.10 and 190,693,261.20

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Solution

The fourth proportional to 199,302,605.40, 298,953,908.10 and 190,693,261.20 is: 286,039,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,605.40 : 298,953,908.10 = 190,693,261.20 : x
  2. Step 2: Convert to fraction form
    199,302,605.40/298,953,908.10 = 190,693,261.20/x
  3. Step 3: Cross multiply
    199,302,605.40x = 298,953,908.10 × 190,693,261.20
  4. Step 4: Simplify right side
    199,302,605.40x = 57,008,495,684,074,096
  5. Step 5: Solve for x
    x = 57,008,495,684,074,096/199,302,605.40
  6. Step 6: Final answer
    x = 286,039,891.80

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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.