Home / 146,892,898.85-202,712,199.12-80,811,978.98

Finding the Fourth Proportional to 146,892,898.85, 202,712,199.12 and 80,811,978.98

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Solution

The fourth proportional to 146,892,898.85, 202,712,199.12 and 80,811,978.98 is: 111,520,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,892,898.85 : 202,712,199.12 = 80,811,978.98 : x
  2. Step 2: Convert to fraction form
    146,892,898.85/202,712,199.12 = 80,811,978.98/x
  3. Step 3: Cross multiply
    146,892,898.85x = 202,712,199.12 × 80,811,978.98
  4. Step 4: Simplify right side
    146,892,898.85x = 16,381,573,973,261,452
  5. Step 5: Solve for x
    x = 16,381,573,973,261,452/146,892,898.85
  6. Step 6: Final answer
    x = 111,520,530.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.