Home / 116,564,015.82-160,930,937.28-74,201,477.76

Finding the Fourth Proportional to 116,564,015.82, 160,930,937.28 and 74,201,477.76

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Solution

The fourth proportional to 116,564,015.82, 160,930,937.28 and 74,201,477.76 is: 102,444,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,015.82 : 160,930,937.28 = 74,201,477.76 : x
  2. Step 2: Convert to fraction form
    116,564,015.82/160,930,937.28 = 74,201,477.76/x
  3. Step 3: Cross multiply
    116,564,015.82x = 160,930,937.28 × 74,201,477.76
  4. Step 4: Simplify right side
    116,564,015.82x = 11,941,313,363,477,876
  5. Step 5: Solve for x
    x = 11,941,313,363,477,876/116,564,015.82
  6. Step 6: Final answer
    x = 102,444,251.59

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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.