Home / 87,431,421.60-131,147,132.40-26,839,274.40

Finding the Fourth Proportional to 87,431,421.60, 131,147,132.40 and 26,839,274.40

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Solution

The fourth proportional to 87,431,421.60, 131,147,132.40 and 26,839,274.40 is: 40,258,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431,421.60 : 131,147,132.40 = 26,839,274.40 : x
  2. Step 2: Convert to fraction form
    87,431,421.60/131,147,132.40 = 26,839,274.40/x
  3. Step 3: Cross multiply
    87,431,421.60x = 131,147,132.40 × 26,839,274.40
  4. Step 4: Simplify right side
    87,431,421.60x = 3,519,893,873,256,730.50
  5. Step 5: Solve for x
    x = 3,519,893,873,256,730.50/87,431,421.60
  6. Step 6: Final answer
    x = 40,258,911.60

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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.