Home / 131,058,020.10-196,587,030.15-128,507,103.30

Finding the Fourth Proportional to 131,058,020.10, 196,587,030.15 and 128,507,103.30

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Solution

The fourth proportional to 131,058,020.10, 196,587,030.15 and 128,507,103.30 is: 192,760,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,020.10 : 196,587,030.15 = 128,507,103.30 : x
  2. Step 2: Convert to fraction form
    131,058,020.10/196,587,030.15 = 128,507,103.30/x
  3. Step 3: Cross multiply
    131,058,020.10x = 196,587,030.15 × 128,507,103.30
  4. Step 4: Simplify right side
    131,058,020.10x = 25,262,829,790,926,264
  5. Step 5: Solve for x
    x = 25,262,829,790,926,264/131,058,020.10
  6. Step 6: Final answer
    x = 192,760,654.95

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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.