Home / 146,049,912.70-218,727,094.92-84,509,377.06

Finding the Fourth Proportional to 146,049,912.70, 218,727,094.92 and 84,509,377.06

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Solution

The fourth proportional to 146,049,912.70, 218,727,094.92 and 84,509,377.06 is: 126,562,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,049,912.70 : 218,727,094.92 = 84,509,377.06 : x
  2. Step 2: Convert to fraction form
    146,049,912.70/218,727,094.92 = 84,509,377.06/x
  3. Step 3: Cross multiply
    146,049,912.70x = 218,727,094.92 × 84,509,377.06
  4. Step 4: Simplify right side
    146,049,912.70x = 18,484,490,537,832,688
  5. Step 5: Solve for x
    x = 18,484,490,537,832,688/146,049,912.70
  6. Step 6: Final answer
    x = 126,562,831.82

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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.