Home / 141,318,644.40-211,977,966.60-131,114,977.20

Finding the Fourth Proportional to 141,318,644.40, 211,977,966.60 and 131,114,977.20

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Solution

The fourth proportional to 141,318,644.40, 211,977,966.60 and 131,114,977.20 is: 196,672,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,318,644.40 : 211,977,966.60 = 131,114,977.20 : x
  2. Step 2: Convert to fraction form
    141,318,644.40/211,977,966.60 = 131,114,977.20/x
  3. Step 3: Cross multiply
    141,318,644.40x = 211,977,966.60 × 131,114,977.20
  4. Step 4: Simplify right side
    141,318,644.40x = 27,793,486,257,661,360
  5. Step 5: Solve for x
    x = 27,793,486,257,661,360/141,318,644.40
  6. Step 6: Final answer
    x = 196,672,465.80

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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.