Home / 81,711,503.87-112,760,957.28-44,540,970.30

Finding the Fourth Proportional to 81,711,503.87, 112,760,957.28 and 44,540,970.30

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Solution

The fourth proportional to 81,711,503.87, 112,760,957.28 and 44,540,970.30 is: 61,466,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,711,503.87 : 112,760,957.28 = 44,540,970.30 : x
  2. Step 2: Convert to fraction form
    81,711,503.87/112,760,957.28 = 44,540,970.30/x
  3. Step 3: Cross multiply
    81,711,503.87x = 112,760,957.28 × 44,540,970.30
  4. Step 4: Simplify right side
    81,711,503.87x = 5,022,482,449,057,993
  5. Step 5: Solve for x
    x = 5,022,482,449,057,993/81,711,503.87
  6. Step 6: Final answer
    x = 61,466,038.57

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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.