Home / 221,303,207.60-331,954,811.40-112,464,090.80

Finding the Fourth Proportional to 221,303,207.60, 331,954,811.40 and 112,464,090.80

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Solution

The fourth proportional to 221,303,207.60, 331,954,811.40 and 112,464,090.80 is: 168,696,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303,207.60 : 331,954,811.40 = 112,464,090.80 : x
  2. Step 2: Convert to fraction form
    221,303,207.60/331,954,811.40 = 112,464,090.80/x
  3. Step 3: Cross multiply
    221,303,207.60x = 331,954,811.40 × 112,464,090.80
  4. Step 4: Simplify right side
    221,303,207.60x = 37,332,996,050,786,472
  5. Step 5: Solve for x
    x = 37,332,996,050,786,472/221,303,207.60
  6. Step 6: Final answer
    x = 168,696,136.20

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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.