Home / 159,787,800.81-220,659,455.74-151,082,672.16

Finding the Fourth Proportional to 159,787,800.81, 220,659,455.74 and 151,082,672.16

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Solution

The fourth proportional to 159,787,800.81, 220,659,455.74 and 151,082,672.16 is: 208,638,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,787,800.81 : 220,659,455.74 = 151,082,672.16 : x
  2. Step 2: Convert to fraction form
    159,787,800.81/220,659,455.74 = 151,082,672.16/x
  3. Step 3: Cross multiply
    159,787,800.81x = 220,659,455.74 × 151,082,672.16
  4. Step 4: Simplify right side
    159,787,800.81x = 33,337,820,209,467,156
  5. Step 5: Solve for x
    x = 33,337,820,209,467,156/159,787,800.81
  6. Step 6: Final answer
    x = 208,638,081.52

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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.