Home / 131,313,222.72-181,206,601.20-72,572,852.16

Finding the Fourth Proportional to 131,313,222.72, 181,206,601.20 and 72,572,852.16

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Solution

The fourth proportional to 131,313,222.72, 181,206,601.20 and 72,572,852.16 is: 100,147,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313,222.72 : 181,206,601.20 = 72,572,852.16 : x
  2. Step 2: Convert to fraction form
    131,313,222.72/181,206,601.20 = 72,572,852.16/x
  3. Step 3: Cross multiply
    131,313,222.72x = 181,206,601.20 × 72,572,852.16
  4. Step 4: Simplify right side
    131,313,222.72x = 13,150,679,879,303,678
  5. Step 5: Solve for x
    x = 13,150,679,879,303,678/131,313,222.72
  6. Step 6: Final answer
    x = 100,147,415.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.