Home / 146,520,653.40-219,880,512.90-81,824,333.40

Finding the Fourth Proportional to 146,520,653.40, 219,880,512.90 and 81,824,333.40

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Solution

The fourth proportional to 146,520,653.40, 219,880,512.90 and 81,824,333.40 is: 122,792,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520,653.40 : 219,880,512.90 = 81,824,333.40 : x
  2. Step 2: Convert to fraction form
    146,520,653.40/219,880,512.90 = 81,824,333.40/x
  3. Step 3: Cross multiply
    146,520,653.40x = 219,880,512.90 × 81,824,333.40
  4. Step 4: Simplify right side
    146,520,653.40x = 17,991,576,395,692,602
  5. Step 5: Solve for x
    x = 17,991,576,395,692,602/146,520,653.40
  6. Step 6: Final answer
    x = 122,792,084.11

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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.