Home / 199,605,812.70-298,960,821.45-163,774,004.70

Finding the Fourth Proportional to 199,605,812.70, 298,960,821.45 and 163,774,004.70

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Solution

The fourth proportional to 199,605,812.70, 298,960,821.45 and 163,774,004.70 is: 245,293,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,605,812.70 : 298,960,821.45 = 163,774,004.70 : x
  2. Step 2: Convert to fraction form
    199,605,812.70/298,960,821.45 = 163,774,004.70/x
  3. Step 3: Cross multiply
    199,605,812.70x = 298,960,821.45 × 163,774,004.70
  4. Step 4: Simplify right side
    199,605,812.70x = 48,962,010,977,268,152
  5. Step 5: Solve for x
    x = 48,962,010,977,268,152/199,605,812.70
  6. Step 6: Final answer
    x = 245,293,512.82

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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.