Home / 186,625,646.40-279,938,469.60-178,122,590.40

Finding the Fourth Proportional to 186,625,646.40, 279,938,469.60 and 178,122,590.40

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Solution

The fourth proportional to 186,625,646.40, 279,938,469.60 and 178,122,590.40 is: 267,183,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,646.40 : 279,938,469.60 = 178,122,590.40 : x
  2. Step 2: Convert to fraction form
    186,625,646.40/279,938,469.60 = 178,122,590.40/x
  3. Step 3: Cross multiply
    186,625,646.40x = 279,938,469.60 × 178,122,590.40
  4. Step 4: Simplify right side
    186,625,646.40x = 49,863,365,357,763,656
  5. Step 5: Solve for x
    x = 49,863,365,357,763,656/186,625,646.40
  6. Step 6: Final answer
    x = 267,183,885.60

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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.