Home / 97,019,564.40-145,600,205.40-68,321,750.40

Finding the Fourth Proportional to 97,019,564.40, 145,600,205.40 and 68,321,750.40

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Solution

The fourth proportional to 97,019,564.40, 145,600,205.40 and 68,321,750.40 is: 102,532,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,564.40 : 145,600,205.40 = 68,321,750.40 : x
  2. Step 2: Convert to fraction form
    97,019,564.40/145,600,205.40 = 68,321,750.40/x
  3. Step 3: Cross multiply
    97,019,564.40x = 145,600,205.40 × 68,321,750.40
  4. Step 4: Simplify right side
    97,019,564.40x = 9,947,660,891,527,534
  5. Step 5: Solve for x
    x = 9,947,660,891,527,534/97,019,564.40
  6. Step 6: Final answer
    x = 102,532,524.79

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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.