Home / 105,423,500.54-145,382,224.05-82,210,157.66

Finding the Fourth Proportional to 105,423,500.54, 145,382,224.05 and 82,210,157.66

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Solution

The fourth proportional to 105,423,500.54, 145,382,224.05 and 82,210,157.66 is: 113,370,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,423,500.54 : 145,382,224.05 = 82,210,157.66 : x
  2. Step 2: Convert to fraction form
    105,423,500.54/145,382,224.05 = 82,210,157.66/x
  3. Step 3: Cross multiply
    105,423,500.54x = 145,382,224.05 × 82,210,157.66
  4. Step 4: Simplify right side
    105,423,500.54x = 11,951,895,560,111,944
  5. Step 5: Solve for x
    x = 11,951,895,560,111,944/105,423,500.54
  6. Step 6: Final answer
    x = 113,370,315.91

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1.5x scale

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.