Home / 65,164,378,301.73-97,693,819,227.84-20,372,819,000.40

Finding the Fourth Proportional to 65,164,378,301.73, 97,693,819,227.84 and 20,372,819,000.40

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Solution

The fourth proportional to 65,164,378,301.73, 97,693,819,227.84 and 20,372,819,000.40 is: 30,542,737,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,378,301.73 : 97,693,819,227.84 = 20,372,819,000.40 : x
  2. Step 2: Convert to fraction form
    65,164,378,301.73/97,693,819,227.84 = 20,372,819,000.40/x
  3. Step 3: Cross multiply
    65,164,378,301.73x = 97,693,819,227.84 × 20,372,819,000.40
  4. Step 4: Simplify right side
    65,164,378,301.73x = 1,990,298,496,586,581,803,008
  5. Step 5: Solve for x
    x = 1,990,298,496,586,581,803,008/65,164,378,301.73
  6. Step 6: Final answer
    x = 30,542,737,435.03

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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.