Home / 65,164,378,643.31-97,693,819,739.10-20,372,819,342.94

Finding the Fourth Proportional to 65,164,378,643.31, 97,693,819,739.10 and 20,372,819,342.94

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Solution

The fourth proportional to 65,164,378,643.31, 97,693,819,739.10 and 20,372,819,342.94 is: 30,542,737,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,378,643.31 : 97,693,819,739.10 = 20,372,819,342.94 : x
  2. Step 2: Convert to fraction form
    65,164,378,643.31/97,693,819,739.10 = 20,372,819,342.94/x
  3. Step 3: Cross multiply
    65,164,378,643.31x = 97,693,819,739.10 × 20,372,819,342.94
  4. Step 4: Simplify right side
    65,164,378,643.31x = 1,990,298,540,466,430,017,536
  5. Step 5: Solve for x
    x = 1,990,298,540,466,430,017,536/65,164,378,643.31
  6. Step 6: Final answer
    x = 30,542,737,948.30

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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.