Home / 69,704,805.20-104,557,207.80-64,130,968.40

Finding the Fourth Proportional to 69,704,805.20, 104,557,207.80 and 64,130,968.40

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Solution

The fourth proportional to 69,704,805.20, 104,557,207.80 and 64,130,968.40 is: 96,196,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704,805.20 : 104,557,207.80 = 64,130,968.40 : x
  2. Step 2: Convert to fraction form
    69,704,805.20/104,557,207.80 = 64,130,968.40/x
  3. Step 3: Cross multiply
    69,704,805.20x = 104,557,207.80 × 64,130,968.40
  4. Step 4: Simplify right side
    69,704,805.20x = 6,705,354,989,414,033
  5. Step 5: Solve for x
    x = 6,705,354,989,414,033/69,704,805.20
  6. Step 6: Final answer
    x = 96,196,452.60

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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.