Home / 99,073,676.80-148,610,515.20-73,245,644.20

Finding the Fourth Proportional to 99,073,676.80, 148,610,515.20 and 73,245,644.20

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Solution

The fourth proportional to 99,073,676.80, 148,610,515.20 and 73,245,644.20 is: 109,868,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073,676.80 : 148,610,515.20 = 73,245,644.20 : x
  2. Step 2: Convert to fraction form
    99,073,676.80/148,610,515.20 = 73,245,644.20/x
  3. Step 3: Cross multiply
    99,073,676.80x = 148,610,515.20 × 73,245,644.20
  4. Step 4: Simplify right side
    99,073,676.80x = 10,885,072,920,717,892
  5. Step 5: Solve for x
    x = 10,885,072,920,717,892/99,073,676.80
  6. Step 6: Final answer
    x = 109,868,466.30

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1.5x scale

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.