Home / 209,824,165.80-314,736,248.70-148,602,162.60

Finding the Fourth Proportional to 209,824,165.80, 314,736,248.70 and 148,602,162.60

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Solution

The fourth proportional to 209,824,165.80, 314,736,248.70 and 148,602,162.60 is: 222,903,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824,165.80 : 314,736,248.70 = 148,602,162.60 : x
  2. Step 2: Convert to fraction form
    209,824,165.80/314,736,248.70 = 148,602,162.60/x
  3. Step 3: Cross multiply
    209,824,165.80x = 314,736,248.70 × 148,602,162.60
  4. Step 4: Simplify right side
    209,824,165.80x = 46,770,487,205,431,432
  5. Step 5: Solve for x
    x = 46,770,487,205,431,432/209,824,165.80
  6. Step 6: Final answer
    x = 222,903,243.90

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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.