Home / 85,123,148.20-127,702,658.22-27,610,935.40

Finding the Fourth Proportional to 85,123,148.20, 127,702,658.22 and 27,610,935.40

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Solution

The fourth proportional to 85,123,148.20, 127,702,658.22 and 27,610,935.40 is: 41,422,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,123,148.20 : 127,702,658.22 = 27,610,935.40 : x
  2. Step 2: Convert to fraction form
    85,123,148.20/127,702,658.22 = 27,610,935.40/x
  3. Step 3: Cross multiply
    85,123,148.20x = 127,702,658.22 × 27,610,935.40
  4. Step 4: Simplify right side
    85,123,148.20x = 3,525,989,846,520,699
  5. Step 5: Solve for x
    x = 3,525,989,846,520,699/85,123,148.20
  6. Step 6: Final answer
    x = 41,422,220.88

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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.