Home / 217,308,337.65-325,962,506.48-71,764,362.45

Finding the Fourth Proportional to 217,308,337.65, 325,962,506.48 and 71,764,362.45

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Solution

The fourth proportional to 217,308,337.65, 325,962,506.48 and 71,764,362.45 is: 107,646,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308,337.65 : 325,962,506.48 = 71,764,362.45 : x
  2. Step 2: Convert to fraction form
    217,308,337.65/325,962,506.48 = 71,764,362.45/x
  3. Step 3: Cross multiply
    217,308,337.65x = 325,962,506.48 × 71,764,362.45
  4. Step 4: Simplify right side
    217,308,337.65x = 23,392,491,459,782,376
  5. Step 5: Solve for x
    x = 23,392,491,459,782,376/217,308,337.65
  6. Step 6: Final answer
    x = 107,646,543.68

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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.