Home / 76,680,957.33-105,819,628.50-45,330,305.04

Finding the Fourth Proportional to 76,680,957.33, 105,819,628.50 and 45,330,305.04

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Solution

The fourth proportional to 76,680,957.33, 105,819,628.50 and 45,330,305.04 is: 62,555,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,680,957.33 : 105,819,628.50 = 45,330,305.04 : x
  2. Step 2: Convert to fraction form
    76,680,957.33/105,819,628.50 = 45,330,305.04/x
  3. Step 3: Cross multiply
    76,680,957.33x = 105,819,628.50 × 45,330,305.04
  4. Step 4: Simplify right side
    76,680,957.33x = 4,796,836,039,124,478
  5. Step 5: Solve for x
    x = 4,796,836,039,124,478/76,680,957.33
  6. Step 6: Final answer
    x = 62,555,766.21

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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.