Home / 199,302,210.20-298,953,315.30-191,649,459.80

Finding the Fourth Proportional to 199,302,210.20, 298,953,315.30 and 191,649,459.80

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Solution

The fourth proportional to 199,302,210.20, 298,953,315.30 and 191,649,459.80 is: 287,474,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,210.20 : 298,953,315.30 = 191,649,459.80 : x
  2. Step 2: Convert to fraction form
    199,302,210.20/298,953,315.30 = 191,649,459.80/x
  3. Step 3: Cross multiply
    199,302,210.20x = 298,953,315.30 × 191,649,459.80
  4. Step 4: Simplify right side
    199,302,210.20x = 57,294,241,382,664,080
  5. Step 5: Solve for x
    x = 57,294,241,382,664,080/199,302,210.20
  6. Step 6: Final answer
    x = 287,474,189.70

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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.