Home / 311,042,021.40-466,563,032.10-195,652,402.20

Finding the Fourth Proportional to 311,042,021.40, 466,563,032.10 and 195,652,402.20

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Solution

The fourth proportional to 311,042,021.40, 466,563,032.10 and 195,652,402.20 is: 293,478,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,042,021.40 : 466,563,032.10 = 195,652,402.20 : x
  2. Step 2: Convert to fraction form
    311,042,021.40/466,563,032.10 = 195,652,402.20/x
  3. Step 3: Cross multiply
    311,042,021.40x = 466,563,032.10 × 195,652,402.20
  4. Step 4: Simplify right side
    311,042,021.40x = 91,284,178,008,080,704
  5. Step 5: Solve for x
    x = 91,284,178,008,080,704/311,042,021.40
  6. Step 6: Final answer
    x = 293,478,603.30

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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.