Home / 99,079,202.40-148,320,205.20-87,135,266.40

Finding the Fourth Proportional to 99,079,202.40, 148,320,205.20 and 87,135,266.40

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Solution

The fourth proportional to 99,079,202.40, 148,320,205.20 and 87,135,266.40 is: 130,440,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079,202.40 : 148,320,205.20 = 87,135,266.40 : x
  2. Step 2: Convert to fraction form
    99,079,202.40/148,320,205.20 = 87,135,266.40/x
  3. Step 3: Cross multiply
    99,079,202.40x = 148,320,205.20 × 87,135,266.40
  4. Step 4: Simplify right side
    99,079,202.40x = 12,923,920,592,604,666
  5. Step 5: Solve for x
    x = 12,923,920,592,604,666/99,079,202.40
  6. Step 6: Final answer
    x = 130,440,297.05

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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.