Home / 116,564,012.97-160,930,933.34-74,201,474.89

Finding the Fourth Proportional to 116,564,012.97, 160,930,933.34 and 74,201,474.89

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Solution

The fourth proportional to 116,564,012.97, 160,930,933.34 and 74,201,474.89 is: 102,444,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,012.97 : 160,930,933.34 = 74,201,474.89 : x
  2. Step 2: Convert to fraction form
    116,564,012.97/160,930,933.34 = 74,201,474.89/x
  3. Step 3: Cross multiply
    116,564,012.97x = 160,930,933.34 × 74,201,474.89
  4. Step 4: Simplify right side
    116,564,012.97x = 11,941,312,608,478,940
  5. Step 5: Solve for x
    x = 11,941,312,608,478,940/116,564,012.97
  6. Step 6: Final answer
    x = 102,444,247.62

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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.