Home / 43,579,428.60-65,383,139.70-19,308,977.40

Finding the Fourth Proportional to 43,579,428.60, 65,383,139.70 and 19,308,977.40

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Solution

The fourth proportional to 43,579,428.60, 65,383,139.70 and 19,308,977.40 is: 28,969,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579,428.60 : 65,383,139.70 = 19,308,977.40 : x
  2. Step 2: Convert to fraction form
    43,579,428.60/65,383,139.70 = 19,308,977.40/x
  3. Step 3: Cross multiply
    43,579,428.60x = 65,383,139.70 × 19,308,977.40
  4. Step 4: Simplify right side
    43,579,428.60x = 1,262,481,566,808,342.75
  5. Step 5: Solve for x
    x = 1,262,481,566,808,342.75/43,579,428.60
  6. Step 6: Final answer
    x = 28,969,667.74

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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.