Home / 116,564,013.82-160,930,934.52-74,201,475.76

Finding the Fourth Proportional to 116,564,013.82, 160,930,934.52 and 74,201,475.76

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Solution

The fourth proportional to 116,564,013.82, 160,930,934.52 and 74,201,475.76 is: 102,444,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,013.82 : 160,930,934.52 = 74,201,475.76 : x
  2. Step 2: Convert to fraction form
    116,564,013.82/160,930,934.52 = 74,201,475.76/x
  3. Step 3: Cross multiply
    116,564,013.82x = 160,930,934.52 × 74,201,475.76
  4. Step 4: Simplify right side
    116,564,013.82x = 11,941,312,836,819,928
  5. Step 5: Solve for x
    x = 11,941,312,836,819,928/116,564,013.82
  6. Step 6: Final answer
    x = 102,444,248.83

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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.