Home / 102,818,842.72-154,253,790.96-51,027,752.68

Finding the Fourth Proportional to 102,818,842.72, 154,253,790.96 and 51,027,752.68

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Solution

The fourth proportional to 102,818,842.72, 154,253,790.96 and 51,027,752.68 is: 76,554,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818,842.72 : 154,253,790.96 = 51,027,752.68 : x
  2. Step 2: Convert to fraction form
    102,818,842.72/154,253,790.96 = 51,027,752.68/x
  3. Step 3: Cross multiply
    102,818,842.72x = 154,253,790.96 × 51,027,752.68
  4. Step 4: Simplify right side
    102,818,842.72x = 7,871,224,295,059,300
  5. Step 5: Solve for x
    x = 7,871,224,295,059,300/102,818,842.72
  6. Step 6: Final answer
    x = 76,554,297.70

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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.