Home / 65,284,916.30-97,843,393.65-39,698,765.90

Finding the Fourth Proportional to 65,284,916.30, 97,843,393.65 and 39,698,765.90

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Solution

The fourth proportional to 65,284,916.30, 97,843,393.65 and 39,698,765.90 is: 59,497,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284,916.30 : 97,843,393.65 = 39,698,765.90 : x
  2. Step 2: Convert to fraction form
    65,284,916.30/97,843,393.65 = 39,698,765.90/x
  3. Step 3: Cross multiply
    65,284,916.30x = 97,843,393.65 × 39,698,765.90
  4. Step 4: Simplify right side
    65,284,916.30x = 3,884,261,979,372,896.50
  5. Step 5: Solve for x
    x = 3,884,261,979,372,896.50/65,284,916.30
  6. Step 6: Final answer
    x = 59,497,081.40

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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.