Home / 130,408,048.70-195,612,073.05-87,409,879.10

Finding the Fourth Proportional to 130,408,048.70, 195,612,073.05 and 87,409,879.10

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Solution

The fourth proportional to 130,408,048.70, 195,612,073.05 and 87,409,879.10 is: 131,114,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,048.70 : 195,612,073.05 = 87,409,879.10 : x
  2. Step 2: Convert to fraction form
    130,408,048.70/195,612,073.05 = 87,409,879.10/x
  3. Step 3: Cross multiply
    130,408,048.70x = 195,612,073.05 × 87,409,879.10
  4. Step 4: Simplify right side
    130,408,048.70x = 17,098,427,655,800,868
  5. Step 5: Solve for x
    x = 17,098,427,655,800,868/130,408,048.70
  6. Step 6: Final answer
    x = 131,114,818.65

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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.