Home / 98,227,921.70-147,058,447.35-86,890,513.70

Finding the Fourth Proportional to 98,227,921.70, 147,058,447.35 and 86,890,513.70

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Solution

The fourth proportional to 98,227,921.70, 147,058,447.35 and 86,890,513.70 is: 130,085,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227,921.70 : 147,058,447.35 = 86,890,513.70 : x
  2. Step 2: Convert to fraction form
    98,227,921.70/147,058,447.35 = 86,890,513.70/x
  3. Step 3: Cross multiply
    98,227,921.70x = 147,058,447.35 × 86,890,513.70
  4. Step 4: Simplify right side
    98,227,921.70x = 12,777,984,034,165,904
  5. Step 5: Solve for x
    x = 12,777,984,034,165,904/98,227,921.70
  6. Step 6: Final answer
    x = 130,085,049.27

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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.