Home / 116,564,012.82-160,930,933.14-74,201,474.76

Finding the Fourth Proportional to 116,564,012.82, 160,930,933.14 and 74,201,474.76

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Solution

The fourth proportional to 116,564,012.82, 160,930,933.14 and 74,201,474.76 is: 102,444,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,012.82 : 160,930,933.14 = 74,201,474.76 : x
  2. Step 2: Convert to fraction form
    116,564,012.82/160,930,933.14 = 74,201,474.76/x
  3. Step 3: Cross multiply
    116,564,012.82x = 160,930,933.14 × 74,201,474.76
  4. Step 4: Simplify right side
    116,564,012.82x = 11,941,312,573,490,958
  5. Step 5: Solve for x
    x = 11,941,312,573,490,958/116,564,012.82
  6. Step 6: Final answer
    x = 102,444,247.45

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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.