Home / 126,225,345.80-189,356,940.30-53,441,985.80

Finding the Fourth Proportional to 126,225,345.80, 189,356,940.30 and 53,441,985.80

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Solution

The fourth proportional to 126,225,345.80, 189,356,940.30 and 53,441,985.80 is: 80,170,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225,345.80 : 189,356,940.30 = 53,441,985.80 : x
  2. Step 2: Convert to fraction form
    126,225,345.80/189,356,940.30 = 53,441,985.80/x
  3. Step 3: Cross multiply
    126,225,345.80x = 189,356,940.30 × 53,441,985.80
  4. Step 4: Simplify right side
    126,225,345.80x = 10,119,610,914,644,048
  5. Step 5: Solve for x
    x = 10,119,610,914,644,048/126,225,345.80
  6. Step 6: Final answer
    x = 80,170,989.83

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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.