Home / 186,627,998.40-279,941,997.60-168,488,145.60

Finding the Fourth Proportional to 186,627,998.40, 279,941,997.60 and 168,488,145.60

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Solution

The fourth proportional to 186,627,998.40, 279,941,997.60 and 168,488,145.60 is: 252,732,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627,998.40 : 279,941,997.60 = 168,488,145.60 : x
  2. Step 2: Convert to fraction form
    186,627,998.40/279,941,997.60 = 168,488,145.60/x
  3. Step 3: Cross multiply
    186,627,998.40x = 279,941,997.60 × 168,488,145.60
  4. Step 4: Simplify right side
    186,627,998.40x = 47,166,908,051,183,656
  5. Step 5: Solve for x
    x = 47,166,908,051,183,656/186,627,998.40
  6. Step 6: Final answer
    x = 252,732,218.40

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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.