Home / 112,416,105.20-168,624,157.80-86,906,937.20

Finding the Fourth Proportional to 112,416,105.20, 168,624,157.80 and 86,906,937.20

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Solution

The fourth proportional to 112,416,105.20, 168,624,157.80 and 86,906,937.20 is: 130,360,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,416,105.20 : 168,624,157.80 = 86,906,937.20 : x
  2. Step 2: Convert to fraction form
    112,416,105.20/168,624,157.80 = 86,906,937.20/x
  3. Step 3: Cross multiply
    112,416,105.20x = 168,624,157.80 × 86,906,937.20
  4. Step 4: Simplify right side
    112,416,105.20x = 14,654,609,092,327,492
  5. Step 5: Solve for x
    x = 14,654,609,092,327,492/112,416,105.20
  6. Step 6: Final answer
    x = 130,360,405.80

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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.