Home / 160,302,371.28-221,193,671.94-89,734,313.76

Finding the Fourth Proportional to 160,302,371.28, 221,193,671.94 and 89,734,313.76

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Solution

The fourth proportional to 160,302,371.28, 221,193,671.94 and 89,734,313.76 is: 123,820,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,302,371.28 : 221,193,671.94 = 89,734,313.76 : x
  2. Step 2: Convert to fraction form
    160,302,371.28/221,193,671.94 = 89,734,313.76/x
  3. Step 3: Cross multiply
    160,302,371.28x = 221,193,671.94 × 89,734,313.76
  4. Step 4: Simplify right side
    160,302,371.28x = 19,848,662,359,590,468
  5. Step 5: Solve for x
    x = 19,848,662,359,590,468/160,302,371.28
  6. Step 6: Final answer
    x = 123,820,141.90

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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.