Home / 286,278,833.60-429,418,250.40-132,873,905.60

Finding the Fourth Proportional to 286,278,833.60, 429,418,250.40 and 132,873,905.60

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Solution

The fourth proportional to 286,278,833.60, 429,418,250.40 and 132,873,905.60 is: 199,310,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,278,833.60 : 429,418,250.40 = 132,873,905.60 : x
  2. Step 2: Convert to fraction form
    286,278,833.60/429,418,250.40 = 132,873,905.60/x
  3. Step 3: Cross multiply
    286,278,833.60x = 429,418,250.40 × 132,873,905.60
  4. Step 4: Simplify right side
    286,278,833.60x = 57,058,480,066,566,760
  5. Step 5: Solve for x
    x = 57,058,480,066,566,760/286,278,833.60
  6. Step 6: Final answer
    x = 199,310,858.40

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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.