Home / 186,467,998.80-279,701,998.20-147,920,811.60

Finding the Fourth Proportional to 186,467,998.80, 279,701,998.20 and 147,920,811.60

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Solution

The fourth proportional to 186,467,998.80, 279,701,998.20 and 147,920,811.60 is: 221,881,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,467,998.80 : 279,701,998.20 = 147,920,811.60 : x
  2. Step 2: Convert to fraction form
    186,467,998.80/279,701,998.20 = 147,920,811.60/x
  3. Step 3: Cross multiply
    186,467,998.80x = 279,701,998.20 × 147,920,811.60
  4. Step 4: Simplify right side
    186,467,998.80x = 41,373,746,579,885,736
  5. Step 5: Solve for x
    x = 41,373,746,579,885,736/186,467,998.80
  6. Step 6: Final answer
    x = 221,881,217.40

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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.