Home / 169,989,786.30-254,984,679.45-55,056,812.70

Finding the Fourth Proportional to 169,989,786.30, 254,984,679.45 and 55,056,812.70

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Solution

The fourth proportional to 169,989,786.30, 254,984,679.45 and 55,056,812.70 is: 82,585,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,989,786.30 : 254,984,679.45 = 55,056,812.70 : x
  2. Step 2: Convert to fraction form
    169,989,786.30/254,984,679.45 = 55,056,812.70/x
  3. Step 3: Cross multiply
    169,989,786.30x = 254,984,679.45 × 55,056,812.70
  4. Step 4: Simplify right side
    169,989,786.30x = 14,038,643,737,848,190
  5. Step 5: Solve for x
    x = 14,038,643,737,848,190/169,989,786.30
  6. Step 6: Final answer
    x = 82,585,219.05

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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.