Home / 148,216,321.38-204,536,026.36-82,136,685

Finding the Fourth Proportional to 148,216,321.38, 204,536,026.36 and 82,136,685

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Solution

The fourth proportional to 148,216,321.38, 204,536,026.36 and 82,136,685 is: 113,347,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,216,321.38 : 204,536,026.36 = 82,136,685 : x
  2. Step 2: Convert to fraction form
    148,216,321.38/204,536,026.36 = 82,136,685/x
  3. Step 3: Cross multiply
    148,216,321.38x = 204,536,026.36 × 82,136,685
  4. Step 4: Simplify right side
    148,216,321.38x = 16,799,911,168,283,018
  5. Step 5: Solve for x
    x = 16,799,911,168,283,018/148,216,321.38
  6. Step 6: Final answer
    x = 113,347,241.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.