Home / 131,047,616.40-196,571,424.60-87,937,472.40

Finding the Fourth Proportional to 131,047,616.40, 196,571,424.60 and 87,937,472.40

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Solution

The fourth proportional to 131,047,616.40, 196,571,424.60 and 87,937,472.40 is: 131,906,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,047,616.40 : 196,571,424.60 = 87,937,472.40 : x
  2. Step 2: Convert to fraction form
    131,047,616.40/196,571,424.60 = 87,937,472.40/x
  3. Step 3: Cross multiply
    131,047,616.40x = 196,571,424.60 × 87,937,472.40
  4. Step 4: Simplify right side
    131,047,616.40x = 17,285,994,225,391,182
  5. Step 5: Solve for x
    x = 17,285,994,225,391,182/131,047,616.40
  6. Step 6: Final answer
    x = 131,906,208.60

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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.