Home / 209,561,998.84-314,390,121.54-63,983,381.56

Finding the Fourth Proportional to 209,561,998.84, 314,390,121.54 and 63,983,381.56

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Solution

The fourth proportional to 209,561,998.84, 314,390,121.54 and 63,983,381.56 is: 95,989,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,561,998.84 : 314,390,121.54 = 63,983,381.56 : x
  2. Step 2: Convert to fraction form
    209,561,998.84/314,390,121.54 = 63,983,381.56/x
  3. Step 3: Cross multiply
    209,561,998.84x = 314,390,121.54 × 63,983,381.56
  4. Step 4: Simplify right side
    209,561,998.84x = 20,115,743,105,188,596
  5. Step 5: Solve for x
    x = 20,115,743,105,188,596/209,561,998.84
  6. Step 6: Final answer
    x = 95,989,460.00

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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.