Home / 201,431,325.40-302,146,988.10-198,072,093.40

Finding the Fourth Proportional to 201,431,325.40, 302,146,988.10 and 198,072,093.40

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Solution

The fourth proportional to 201,431,325.40, 302,146,988.10 and 198,072,093.40 is: 297,108,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,431,325.40 : 302,146,988.10 = 198,072,093.40 : x
  2. Step 2: Convert to fraction form
    201,431,325.40/302,146,988.10 = 198,072,093.40/x
  3. Step 3: Cross multiply
    201,431,325.40x = 302,146,988.10 × 198,072,093.40
  4. Step 4: Simplify right side
    201,431,325.40x = 59,846,886,447,471,896
  5. Step 5: Solve for x
    x = 59,846,886,447,471,896/201,431,325.40
  6. Step 6: Final answer
    x = 297,108,140.10

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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.