Home / 93,312,872.20-139,969,308.30-82,353,377.80

Finding the Fourth Proportional to 93,312,872.20, 139,969,308.30 and 82,353,377.80

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Solution

The fourth proportional to 93,312,872.20, 139,969,308.30 and 82,353,377.80 is: 123,530,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,872.20 : 139,969,308.30 = 82,353,377.80 : x
  2. Step 2: Convert to fraction form
    93,312,872.20/139,969,308.30 = 82,353,377.80/x
  3. Step 3: Cross multiply
    93,312,872.20x = 139,969,308.30 × 82,353,377.80
  4. Step 4: Simplify right side
    93,312,872.20x = 11,526,945,326,834,576
  5. Step 5: Solve for x
    x = 11,526,945,326,834,576/93,312,872.20
  6. Step 6: Final answer
    x = 123,530,066.70

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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.