Home / 313,229,246.40-469,843,869.60-108,735,998.40

Finding the Fourth Proportional to 313,229,246.40, 469,843,869.60 and 108,735,998.40

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Solution

The fourth proportional to 313,229,246.40, 469,843,869.60 and 108,735,998.40 is: 163,103,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,229,246.40 : 469,843,869.60 = 108,735,998.40 : x
  2. Step 2: Convert to fraction form
    313,229,246.40/469,843,869.60 = 108,735,998.40/x
  3. Step 3: Cross multiply
    313,229,246.40x = 469,843,869.60 × 108,735,998.40
  4. Step 4: Simplify right side
    313,229,246.40x = 51,088,942,253,075,416
  5. Step 5: Solve for x
    x = 51,088,942,253,075,416/313,229,246.40
  6. Step 6: Final answer
    x = 163,103,997.60

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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.