Home / 198,800,259.46-298,100,602.04-115,828,868.50

Finding the Fourth Proportional to 198,800,259.46, 298,100,602.04 and 115,828,868.50

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Solution

The fourth proportional to 198,800,259.46, 298,100,602.04 and 115,828,868.50 is: 173,685,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,800,259.46 : 298,100,602.04 = 115,828,868.50 : x
  2. Step 2: Convert to fraction form
    198,800,259.46/298,100,602.04 = 115,828,868.50/x
  3. Step 3: Cross multiply
    198,800,259.46x = 298,100,602.04 × 115,828,868.50
  4. Step 4: Simplify right side
    198,800,259.46x = 34,528,655,433,461,996
  5. Step 5: Solve for x
    x = 34,528,655,433,461,996/198,800,259.46
  6. Step 6: Final answer
    x = 173,685,162.82

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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.