Home / 116,885,632.70-161,302,362.10-64,676,868.86

Finding the Fourth Proportional to 116,885,632.70, 161,302,362.10 and 64,676,868.86

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Solution

The fourth proportional to 116,885,632.70, 161,302,362.10 and 64,676,868.86 is: 89,254,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885,632.70 : 161,302,362.10 = 64,676,868.86 : x
  2. Step 2: Convert to fraction form
    116,885,632.70/161,302,362.10 = 64,676,868.86/x
  3. Step 3: Cross multiply
    116,885,632.70x = 161,302,362.10 × 64,676,868.86
  4. Step 4: Simplify right side
    116,885,632.70x = 10,432,531,720,591,498
  5. Step 5: Solve for x
    x = 10,432,531,720,591,498/116,885,632.70
  6. Step 6: Final answer
    x = 89,254,183.59

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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.