Home / 81,766,787.46-122,635,618.47-32,578,518.35

Finding the Fourth Proportional to 81,766,787.46, 122,635,618.47 and 32,578,518.35

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Solution

The fourth proportional to 81,766,787.46, 122,635,618.47 and 32,578,518.35 is: 48,861,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766,787.46 : 122,635,618.47 = 32,578,518.35 : x
  2. Step 2: Convert to fraction form
    81,766,787.46/122,635,618.47 = 32,578,518.35/x
  3. Step 3: Cross multiply
    81,766,787.46x = 122,635,618.47 × 32,578,518.35
  4. Step 4: Simplify right side
    81,766,787.46x = 3,995,286,746,075,315.50
  5. Step 5: Solve for x
    x = 3,995,286,746,075,315.50/81,766,787.46
  6. Step 6: Final answer
    x = 48,861,975.26

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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.