Home / 112,100,960.40-168,151,440.60-89,426,144.40

Finding the Fourth Proportional to 112,100,960.40, 168,151,440.60 and 89,426,144.40

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Solution

The fourth proportional to 112,100,960.40, 168,151,440.60 and 89,426,144.40 is: 134,139,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,960.40 : 168,151,440.60 = 89,426,144.40 : x
  2. Step 2: Convert to fraction form
    112,100,960.40/168,151,440.60 = 89,426,144.40/x
  3. Step 3: Cross multiply
    112,100,960.40x = 168,151,440.60 × 89,426,144.40
  4. Step 4: Simplify right side
    112,100,960.40x = 15,037,135,008,163,624
  5. Step 5: Solve for x
    x = 15,037,135,008,163,624/112,100,960.40
  6. Step 6: Final answer
    x = 134,139,216.60

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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.