Home / 217,308,045.90-325,962,068.85-71,764,070.70

Finding the Fourth Proportional to 217,308,045.90, 325,962,068.85 and 71,764,070.70

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Solution

The fourth proportional to 217,308,045.90, 325,962,068.85 and 71,764,070.70 is: 107,646,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308,045.90 : 325,962,068.85 = 71,764,070.70 : x
  2. Step 2: Convert to fraction form
    217,308,045.90/325,962,068.85 = 71,764,070.70/x
  3. Step 3: Cross multiply
    217,308,045.90x = 325,962,068.85 × 71,764,070.70
  4. Step 4: Simplify right side
    217,308,045.90x = 23,392,364,954,469,672
  5. Step 5: Solve for x
    x = 23,392,364,954,469,672/217,308,045.90
  6. Step 6: Final answer
    x = 107,646,106.05

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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.