Home / 85,209,189,401.60-127,813,784,102.40-35,558,144,806.40

Finding the Fourth Proportional to 85,209,189,401.60, 127,813,784,102.40 and 35,558,144,806.40

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Solution

The fourth proportional to 85,209,189,401.60, 127,813,784,102.40 and 35,558,144,806.40 is: 53,337,217,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,209,189,401.60 : 127,813,784,102.40 = 35,558,144,806.40 : x
  2. Step 2: Convert to fraction form
    85,209,189,401.60/127,813,784,102.40 = 35,558,144,806.40/x
  3. Step 3: Cross multiply
    85,209,189,401.60x = 127,813,784,102.40 × 35,558,144,806.40
  4. Step 4: Simplify right side
    85,209,189,401.60x = 4,544,821,043,367,085,342,720
  5. Step 5: Solve for x
    x = 4,544,821,043,367,085,342,720/85,209,189,401.60
  6. Step 6: Final answer
    x = 53,337,217,209.60

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1.5x scale

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.