Home / 198,644,715.40-297,979,668.06-62,335,478.92

Finding the Fourth Proportional to 198,644,715.40, 297,979,668.06 and 62,335,478.92

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Solution

The fourth proportional to 198,644,715.40, 297,979,668.06 and 62,335,478.92 is: 93,507,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,644,715.40 : 297,979,668.06 = 62,335,478.92 : x
  2. Step 2: Convert to fraction form
    198,644,715.40/297,979,668.06 = 62,335,478.92/x
  3. Step 3: Cross multiply
    198,644,715.40x = 297,979,668.06 × 62,335,478.92
  4. Step 4: Simplify right side
    198,644,715.40x = 18,574,705,316,942,728
  5. Step 5: Solve for x
    x = 18,574,705,316,942,728/198,644,715.40
  6. Step 6: Final answer
    x = 93,507,170.73

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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.