Home / 131,225,887.54-181,088,216.31-72,487,288.46

Finding the Fourth Proportional to 131,225,887.54, 181,088,216.31 and 72,487,288.46

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Solution

The fourth proportional to 131,225,887.54, 181,088,216.31 and 72,487,288.46 is: 100,030,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,887.54 : 181,088,216.31 = 72,487,288.46 : x
  2. Step 2: Convert to fraction form
    131,225,887.54/181,088,216.31 = 72,487,288.46/x
  3. Step 3: Cross multiply
    131,225,887.54x = 181,088,216.31 × 72,487,288.46
  4. Step 4: Simplify right side
    131,225,887.54x = 13,126,593,772,369,846
  5. Step 5: Solve for x
    x = 13,126,593,772,369,846/131,225,887.54
  6. Step 6: Final answer
    x = 100,030,520.03

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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.