Home / 141,996,218.40-212,994,327.60-126,690,717.60

Finding the Fourth Proportional to 141,996,218.40, 212,994,327.60 and 126,690,717.60

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Solution

The fourth proportional to 141,996,218.40, 212,994,327.60 and 126,690,717.60 is: 190,036,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,996,218.40 : 212,994,327.60 = 126,690,717.60 : x
  2. Step 2: Convert to fraction form
    141,996,218.40/212,994,327.60 = 126,690,717.60/x
  3. Step 3: Cross multiply
    141,996,218.40x = 212,994,327.60 × 126,690,717.60
  4. Step 4: Simplify right side
    141,996,218.40x = 26,984,404,208,373,484
  5. Step 5: Solve for x
    x = 26,984,404,208,373,484/141,996,218.40
  6. Step 6: Final answer
    x = 190,036,076.40

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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.