Home / 186,625,400.90-279,938,101.35-178,122,344.90

Finding the Fourth Proportional to 186,625,400.90, 279,938,101.35 and 178,122,344.90

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Solution

The fourth proportional to 186,625,400.90, 279,938,101.35 and 178,122,344.90 is: 267,183,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,400.90 : 279,938,101.35 = 178,122,344.90 : x
  2. Step 2: Convert to fraction form
    186,625,400.90/279,938,101.35 = 178,122,344.90/x
  3. Step 3: Cross multiply
    186,625,400.90x = 279,938,101.35 × 178,122,344.90
  4. Step 4: Simplify right side
    186,625,400.90x = 49,863,231,039,315,864
  5. Step 5: Solve for x
    x = 49,863,231,039,315,864/186,625,400.90
  6. Step 6: Final answer
    x = 267,183,517.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.