Home / 141,786,008.40-212,679,012.60-120,622,846.80

Finding the Fourth Proportional to 141,786,008.40, 212,679,012.60 and 120,622,846.80

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Solution

The fourth proportional to 141,786,008.40, 212,679,012.60 and 120,622,846.80 is: 180,934,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786,008.40 : 212,679,012.60 = 120,622,846.80 : x
  2. Step 2: Convert to fraction form
    141,786,008.40/212,679,012.60 = 120,622,846.80/x
  3. Step 3: Cross multiply
    141,786,008.40x = 212,679,012.60 × 120,622,846.80
  4. Step 4: Simplify right side
    141,786,008.40x = 25,653,947,954,425,068
  5. Step 5: Solve for x
    x = 25,653,947,954,425,068/141,786,008.40
  6. Step 6: Final answer
    x = 180,934,270.20

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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.