Home / 209,952,529.70-314,928,794.55-107,726,900.90

Finding the Fourth Proportional to 209,952,529.70, 314,928,794.55 and 107,726,900.90

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Solution

The fourth proportional to 209,952,529.70, 314,928,794.55 and 107,726,900.90 is: 161,590,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,529.70 : 314,928,794.55 = 107,726,900.90 : x
  2. Step 2: Convert to fraction form
    209,952,529.70/314,928,794.55 = 107,726,900.90/x
  3. Step 3: Cross multiply
    209,952,529.70x = 314,928,794.55 × 107,726,900.90
  4. Step 4: Simplify right side
    209,952,529.70x = 33,926,303,041,044,312
  5. Step 5: Solve for x
    x = 33,926,303,041,044,312/209,952,529.70
  6. Step 6: Final answer
    x = 161,590,351.35

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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.