Home / 146,520,662.40-219,880,526.40-81,824,342.40

Finding the Fourth Proportional to 146,520,662.40, 219,880,526.40 and 81,824,342.40

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Solution

The fourth proportional to 146,520,662.40, 219,880,526.40 and 81,824,342.40 is: 122,792,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520,662.40 : 219,880,526.40 = 81,824,342.40 : x
  2. Step 2: Convert to fraction form
    146,520,662.40/219,880,526.40 = 81,824,342.40/x
  3. Step 3: Cross multiply
    146,520,662.40x = 219,880,526.40 × 81,824,342.40
  4. Step 4: Simplify right side
    146,520,662.40x = 17,991,579,479,245,842
  5. Step 5: Solve for x
    x = 17,991,579,479,245,842/146,520,662.40
  6. Step 6: Final answer
    x = 122,792,097.61

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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.