Home / 100,885,896.75-151,206,281.53-54,718,288.48

Finding the Fourth Proportional to 100,885,896.75, 151,206,281.53 and 54,718,288.48

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Solution

The fourth proportional to 100,885,896.75, 151,206,281.53 and 54,718,288.48 is: 82,010,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885,896.75 : 151,206,281.53 = 54,718,288.48 : x
  2. Step 2: Convert to fraction form
    100,885,896.75/151,206,281.53 = 54,718,288.48/x
  3. Step 3: Cross multiply
    100,885,896.75x = 151,206,281.53 × 54,718,288.48
  4. Step 4: Simplify right side
    100,885,896.75x = 8,273,748,932,746,635
  5. Step 5: Solve for x
    x = 8,273,748,932,746,635/100,885,896.75
  6. Step 6: Final answer
    x = 82,010,956.93

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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.