Home / 145,165,786.80-217,748,680.20-141,764,564.40

Finding the Fourth Proportional to 145,165,786.80, 217,748,680.20 and 141,764,564.40

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Solution

The fourth proportional to 145,165,786.80, 217,748,680.20 and 141,764,564.40 is: 212,646,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,786.80 : 217,748,680.20 = 141,764,564.40 : x
  2. Step 2: Convert to fraction form
    145,165,786.80/217,748,680.20 = 141,764,564.40/x
  3. Step 3: Cross multiply
    145,165,786.80x = 217,748,680.20 × 141,764,564.40
  4. Step 4: Simplify right side
    145,165,786.80x = 30,869,046,797,227,904
  5. Step 5: Solve for x
    x = 30,869,046,797,227,904/145,165,786.80
  6. Step 6: Final answer
    x = 212,646,846.60

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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.