Home / 81,552,777.14-122,167,739.73-71,329,180.90

Finding the Fourth Proportional to 81,552,777.14, 122,167,739.73 and 71,329,180.90

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Solution

The fourth proportional to 81,552,777.14, 122,167,739.73 and 71,329,180.90 is: 106,852,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552,777.14 : 122,167,739.73 = 71,329,180.90 : x
  2. Step 2: Convert to fraction form
    81,552,777.14/122,167,739.73 = 71,329,180.90/x
  3. Step 3: Cross multiply
    81,552,777.14x = 122,167,739.73 × 71,329,180.90
  4. Step 4: Simplify right side
    81,552,777.14x = 8,714,124,807,765,482
  5. Step 5: Solve for x
    x = 8,714,124,807,765,482/81,552,777.14
  6. Step 6: Final answer
    x = 106,852,582.01

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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.