Home / 141,928,131.60-212,892,197.40-127,595,408.40

Finding the Fourth Proportional to 141,928,131.60, 212,892,197.40 and 127,595,408.40

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Solution

The fourth proportional to 141,928,131.60, 212,892,197.40 and 127,595,408.40 is: 191,393,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,928,131.60 : 212,892,197.40 = 127,595,408.40 : x
  2. Step 2: Convert to fraction form
    141,928,131.60/212,892,197.40 = 127,595,408.40/x
  3. Step 3: Cross multiply
    141,928,131.60x = 212,892,197.40 × 127,595,408.40
  4. Step 4: Simplify right side
    141,928,131.60x = 27,164,066,872,426,420
  5. Step 5: Solve for x
    x = 27,164,066,872,426,420/141,928,131.60
  6. Step 6: Final answer
    x = 191,393,112.60

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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.