Home / 199,295,068.40-298,942,602.60-172,032,145.10

Finding the Fourth Proportional to 199,295,068.40, 298,942,602.60 and 172,032,145.10

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Solution

The fourth proportional to 199,295,068.40, 298,942,602.60 and 172,032,145.10 is: 258,048,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,295,068.40 : 298,942,602.60 = 172,032,145.10 : x
  2. Step 2: Convert to fraction form
    199,295,068.40/298,942,602.60 = 172,032,145.10/x
  3. Step 3: Cross multiply
    199,295,068.40x = 298,942,602.60 × 172,032,145.10
  4. Step 4: Simplify right side
    199,295,068.40x = 51,427,737,187,054,840
  5. Step 5: Solve for x
    x = 51,427,737,187,054,840/199,295,068.40
  6. Step 6: Final answer
    x = 258,048,217.65

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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.