Home / 65,284,769.60-97,930,840.80-19,848,046.40

Finding the Fourth Proportional to 65,284,769.60, 97,930,840.80 and 19,848,046.40

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Solution

The fourth proportional to 65,284,769.60, 97,930,840.80 and 19,848,046.40 is: 29,773,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284,769.60 : 97,930,840.80 = 19,848,046.40 : x
  2. Step 2: Convert to fraction form
    65,284,769.60/97,930,840.80 = 19,848,046.40/x
  3. Step 3: Cross multiply
    65,284,769.60x = 97,930,840.80 × 19,848,046.40
  4. Step 4: Simplify right side
    65,284,769.60x = 1,943,735,872,189,413
  5. Step 5: Solve for x
    x = 1,943,735,872,189,413/65,284,769.60
  6. Step 6: Final answer
    x = 29,773,190.35

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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.