Home / 198,598,906.40-297,898,359.60-62,284,071.20

Finding the Fourth Proportional to 198,598,906.40, 297,898,359.60 and 62,284,071.20

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Solution

The fourth proportional to 198,598,906.40, 297,898,359.60 and 62,284,071.20 is: 93,426,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598,906.40 : 297,898,359.60 = 62,284,071.20 : x
  2. Step 2: Convert to fraction form
    198,598,906.40/297,898,359.60 = 62,284,071.20/x
  3. Step 3: Cross multiply
    198,598,906.40x = 297,898,359.60 × 62,284,071.20
  4. Step 4: Simplify right side
    198,598,906.40x = 18,554,322,639,689,604
  5. Step 5: Solve for x
    x = 18,554,322,639,689,604/198,598,906.40
  6. Step 6: Final answer
    x = 93,426,106.80

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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.