Home / 137,239,541.90-206,018,745.15-82,713,695.30

Finding the Fourth Proportional to 137,239,541.90, 206,018,745.15 and 82,713,695.30

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Solution

The fourth proportional to 137,239,541.90, 206,018,745.15 and 82,713,695.30 is: 124,166,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,239,541.90 : 206,018,745.15 = 82,713,695.30 : x
  2. Step 2: Convert to fraction form
    137,239,541.90/206,018,745.15 = 82,713,695.30/x
  3. Step 3: Cross multiply
    137,239,541.90x = 206,018,745.15 × 82,713,695.30
  4. Step 4: Simplify right side
    137,239,541.90x = 17,040,571,712,425,452
  5. Step 5: Solve for x
    x = 17,040,571,712,425,452/137,239,541.90
  6. Step 6: Final answer
    x = 124,166,632.13

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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.