Home / 132,909,320.82-183,424,069.71-74,183,442.78

Finding the Fourth Proportional to 132,909,320.82, 183,424,069.71 and 74,183,442.78

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Solution

The fourth proportional to 132,909,320.82, 183,424,069.71 and 74,183,442.78 is: 102,378,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909,320.82 : 183,424,069.71 = 74,183,442.78 : x
  2. Step 2: Convert to fraction form
    132,909,320.82/183,424,069.71 = 74,183,442.78/x
  3. Step 3: Cross multiply
    132,909,320.82x = 183,424,069.71 × 74,183,442.78
  4. Step 4: Simplify right side
    132,909,320.82x = 13,607,028,979,806,518
  5. Step 5: Solve for x
    x = 13,607,028,979,806,518/132,909,320.82
  6. Step 6: Final answer
    x = 102,378,289.92

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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.