Home / 186,749,423.05-280,221,079.51-76,166,221.38

Finding the Fourth Proportional to 186,749,423.05, 280,221,079.51 and 76,166,221.38

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Solution

The fourth proportional to 186,749,423.05, 280,221,079.51 and 76,166,221.38 is: 114,288,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,749,423.05 : 280,221,079.51 = 76,166,221.38 : x
  2. Step 2: Convert to fraction form
    186,749,423.05/280,221,079.51 = 76,166,221.38/x
  3. Step 3: Cross multiply
    186,749,423.05x = 280,221,079.51 × 76,166,221.38
  4. Step 4: Simplify right side
    186,749,423.05x = 21,343,380,777,619,192
  5. Step 5: Solve for x
    x = 21,343,380,777,619,192/186,749,423.05
  6. Step 6: Final answer
    x = 114,288,871.30

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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.