Home / 141,768,078.40-212,652,117.60-120,604,916.80

Finding the Fourth Proportional to 141,768,078.40, 212,652,117.60 and 120,604,916.80

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Solution

The fourth proportional to 141,768,078.40, 212,652,117.60 and 120,604,916.80 is: 180,907,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,078.40 : 212,652,117.60 = 120,604,916.80 : x
  2. Step 2: Convert to fraction form
    141,768,078.40/212,652,117.60 = 120,604,916.80/x
  3. Step 3: Cross multiply
    141,768,078.40x = 212,652,117.60 × 120,604,916.80
  4. Step 4: Simplify right side
    141,768,078.40x = 25,646,890,950,491,816
  5. Step 5: Solve for x
    x = 25,646,890,950,491,816/141,768,078.40
  6. Step 6: Final answer
    x = 180,907,375.20

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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.