Home / 148,824,772.80-205,380,574.56-81,846,378.24

Finding the Fourth Proportional to 148,824,772.80, 205,380,574.56 and 81,846,378.24

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Solution

The fourth proportional to 148,824,772.80, 205,380,574.56 and 81,846,378.24 is: 112,949,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,824,772.80 : 205,380,574.56 = 81,846,378.24 : x
  2. Step 2: Convert to fraction form
    148,824,772.80/205,380,574.56 = 81,846,378.24/x
  3. Step 3: Cross multiply
    148,824,772.80x = 205,380,574.56 × 81,846,378.24
  4. Step 4: Simplify right side
    148,824,772.80x = 16,809,656,188,586,280
  5. Step 5: Solve for x
    x = 16,809,656,188,586,280/148,824,772.80
  6. Step 6: Final answer
    x = 112,949,315.31

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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.