Home / 207,141,153.94-310,752,662.21-75,984,647.11

Finding the Fourth Proportional to 207,141,153.94, 310,752,662.21 and 75,984,647.11

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Solution

The fourth proportional to 207,141,153.94, 310,752,662.21 and 75,984,647.11 is: 113,991,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141,153.94 : 310,752,662.21 = 75,984,647.11 : x
  2. Step 2: Convert to fraction form
    207,141,153.94/310,752,662.21 = 75,984,647.11/x
  3. Step 3: Cross multiply
    207,141,153.94x = 310,752,662.21 × 75,984,647.11
  4. Step 4: Simplify right side
    207,141,153.94x = 23,612,431,374,966,120
  5. Step 5: Solve for x
    x = 23,612,431,374,966,120/207,141,153.94
  6. Step 6: Final answer
    x = 113,991,985.30

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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.