Home / 198,593,653.20-297,890,479.80-96,556,981.20

Finding the Fourth Proportional to 198,593,653.20, 297,890,479.80 and 96,556,981.20

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Solution

The fourth proportional to 198,593,653.20, 297,890,479.80 and 96,556,981.20 is: 144,835,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,593,653.20 : 297,890,479.80 = 96,556,981.20 : x
  2. Step 2: Convert to fraction form
    198,593,653.20/297,890,479.80 = 96,556,981.20/x
  3. Step 3: Cross multiply
    198,593,653.20x = 297,890,479.80 × 96,556,981.20
  4. Step 4: Simplify right side
    198,593,653.20x = 28,763,405,457,707,580
  5. Step 5: Solve for x
    x = 28,763,405,457,707,580/198,593,653.20
  6. Step 6: Final answer
    x = 144,835,471.80

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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.