Home / 112,416,099.20-168,624,148.80-86,906,931.20

Finding the Fourth Proportional to 112,416,099.20, 168,624,148.80 and 86,906,931.20

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Solution

The fourth proportional to 112,416,099.20, 168,624,148.80 and 86,906,931.20 is: 130,360,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,416,099.20 : 168,624,148.80 = 86,906,931.20 : x
  2. Step 2: Convert to fraction form
    112,416,099.20/168,624,148.80 = 86,906,931.20/x
  3. Step 3: Cross multiply
    112,416,099.20x = 168,624,148.80 × 86,906,931.20
  4. Step 4: Simplify right side
    112,416,099.20x = 14,654,607,298,420,164
  5. Step 5: Solve for x
    x = 14,654,607,298,420,164/112,416,099.20
  6. Step 6: Final answer
    x = 130,360,396.80

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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.