Home / 117,233,870.43-175,628,842.83-78,254,788.98

Finding the Fourth Proportional to 117,233,870.43, 175,628,842.83 and 78,254,788.98

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Solution

The fourth proportional to 117,233,870.43, 175,628,842.83 and 78,254,788.98 is: 117,234,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233,870.43 : 175,628,842.83 = 78,254,788.98 : x
  2. Step 2: Convert to fraction form
    117,233,870.43/175,628,842.83 = 78,254,788.98/x
  3. Step 3: Cross multiply
    117,233,870.43x = 175,628,842.83 × 78,254,788.98
  4. Step 4: Simplify right side
    117,233,870.43x = 13,743,798,034,463,238
  5. Step 5: Solve for x
    x = 13,743,798,034,463,238/117,233,870.43
  6. Step 6: Final answer
    x = 117,234,021.06

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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.