Home / 186,639,166.80-279,958,750.20-148,091,979.60

Finding the Fourth Proportional to 186,639,166.80, 279,958,750.20 and 148,091,979.60

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Solution

The fourth proportional to 186,639,166.80, 279,958,750.20 and 148,091,979.60 is: 222,137,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639,166.80 : 279,958,750.20 = 148,091,979.60 : x
  2. Step 2: Convert to fraction form
    186,639,166.80/279,958,750.20 = 148,091,979.60/x
  3. Step 3: Cross multiply
    186,639,166.80x = 279,958,750.20 × 148,091,979.60
  4. Step 4: Simplify right side
    186,639,166.80x = 41,459,645,523,459,896
  5. Step 5: Solve for x
    x = 41,459,645,523,459,896/186,639,166.80
  6. Step 6: Final answer
    x = 222,137,969.40

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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.