Home / 199,284,495.10-298,926,742.65-122,358,082.30

Finding the Fourth Proportional to 199,284,495.10, 298,926,742.65 and 122,358,082.30

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Solution

The fourth proportional to 199,284,495.10, 298,926,742.65 and 122,358,082.30 is: 183,537,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,495.10 : 298,926,742.65 = 122,358,082.30 : x
  2. Step 2: Convert to fraction form
    199,284,495.10/298,926,742.65 = 122,358,082.30/x
  3. Step 3: Cross multiply
    199,284,495.10x = 298,926,742.65 × 122,358,082.30
  4. Step 4: Simplify right side
    199,284,495.10x = 36,576,102,978,839,616
  5. Step 5: Solve for x
    x = 36,576,102,978,839,616/199,284,495.10
  6. Step 6: Final answer
    x = 183,537,123.45

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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.