Home / 118,099,082.89-162,976,835.87-65,888,126.58

Finding the Fourth Proportional to 118,099,082.89, 162,976,835.87 and 65,888,126.58

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Solution

The fourth proportional to 118,099,082.89, 162,976,835.87 and 65,888,126.58 is: 90,925,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099,082.89 : 162,976,835.87 = 65,888,126.58 : x
  2. Step 2: Convert to fraction form
    118,099,082.89/162,976,835.87 = 65,888,126.58/x
  3. Step 3: Cross multiply
    118,099,082.89x = 162,976,835.87 × 65,888,126.58
  4. Step 4: Simplify right side
    118,099,082.89x = 10,738,238,391,410,444
  5. Step 5: Solve for x
    x = 10,738,238,391,410,444/118,099,082.89
  6. Step 6: Final answer
    x = 90,925,671.30

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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.