Home / 129,019,230.80-193,528,846.20-96,770,603.60

Finding the Fourth Proportional to 129,019,230.80, 193,528,846.20 and 96,770,603.60

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Solution

The fourth proportional to 129,019,230.80, 193,528,846.20 and 96,770,603.60 is: 145,155,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,019,230.80 : 193,528,846.20 = 96,770,603.60 : x
  2. Step 2: Convert to fraction form
    129,019,230.80/193,528,846.20 = 96,770,603.60/x
  3. Step 3: Cross multiply
    129,019,230.80x = 193,528,846.20 × 96,770,603.60
  4. Step 4: Simplify right side
    129,019,230.80x = 18,727,903,260,785,564
  5. Step 5: Solve for x
    x = 18,727,903,260,785,564/129,019,230.80
  6. Step 6: Final answer
    x = 145,155,905.40

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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.