Home / 131,058,019.40-196,587,029.10-87,947,875.40

Finding the Fourth Proportional to 131,058,019.40, 196,587,029.10 and 87,947,875.40

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Solution

The fourth proportional to 131,058,019.40, 196,587,029.10 and 87,947,875.40 is: 131,921,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,019.40 : 196,587,029.10 = 87,947,875.40 : x
  2. Step 2: Convert to fraction form
    131,058,019.40/196,587,029.10 = 87,947,875.40/x
  3. Step 3: Cross multiply
    131,058,019.40x = 196,587,029.10 × 87,947,875.40
  4. Step 4: Simplify right side
    131,058,019.40x = 17,289,411,540,542,974
  5. Step 5: Solve for x
    x = 17,289,411,540,542,974/131,058,019.40
  6. Step 6: Final answer
    x = 131,921,813.10

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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.