Home / 124,416,123.20-186,624,184.80-87,788,052.80

Finding the Fourth Proportional to 124,416,123.20, 186,624,184.80 and 87,788,052.80

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Solution

The fourth proportional to 124,416,123.20, 186,624,184.80 and 87,788,052.80 is: 131,682,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,123.20 : 186,624,184.80 = 87,788,052.80 : x
  2. Step 2: Convert to fraction form
    124,416,123.20/186,624,184.80 = 87,788,052.80/x
  3. Step 3: Cross multiply
    124,416,123.20x = 186,624,184.80 × 87,788,052.80
  4. Step 4: Simplify right side
    124,416,123.20x = 16,383,373,788,979,358
  5. Step 5: Solve for x
    x = 16,383,373,788,979,358/124,416,123.20
  6. Step 6: Final answer
    x = 131,682,079.20

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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.