Home / 117,005,170.80-175,507,756.20-82,992,946.80

Finding the Fourth Proportional to 117,005,170.80, 175,507,756.20 and 82,992,946.80

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Solution

The fourth proportional to 117,005,170.80, 175,507,756.20 and 82,992,946.80 is: 124,489,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,170.80 : 175,507,756.20 = 82,992,946.80 : x
  2. Step 2: Convert to fraction form
    117,005,170.80/175,507,756.20 = 82,992,946.80/x
  3. Step 3: Cross multiply
    117,005,170.80x = 175,507,756.20 × 82,992,946.80
  4. Step 4: Simplify right side
    117,005,170.80x = 14,565,905,873,293,968
  5. Step 5: Solve for x
    x = 14,565,905,873,293,968/117,005,170.80
  6. Step 6: Final answer
    x = 124,489,420.20

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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.