Home / 65,284,889.60-97,931,020.80-19,848,166.40

Finding the Fourth Proportional to 65,284,889.60, 97,931,020.80 and 19,848,166.40

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Solution

The fourth proportional to 65,284,889.60, 97,931,020.80 and 19,848,166.40 is: 29,773,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284,889.60 : 97,931,020.80 = 19,848,166.40 : x
  2. Step 2: Convert to fraction form
    65,284,889.60/97,931,020.80 = 19,848,166.40/x
  3. Step 3: Cross multiply
    65,284,889.60x = 97,931,020.80 × 19,848,166.40
  4. Step 4: Simplify right side
    65,284,889.60x = 1,943,751,196,560,261
  5. Step 5: Solve for x
    x = 1,943,751,196,560,261/65,284,889.60
  6. Step 6: Final answer
    x = 29,773,370.35

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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.