Home / 146,892,898.34-202,712,198.43-80,811,978.47

Finding the Fourth Proportional to 146,892,898.34, 202,712,198.43 and 80,811,978.47

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Solution

The fourth proportional to 146,892,898.34, 202,712,198.43 and 80,811,978.47 is: 111,520,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,892,898.34 : 202,712,198.43 = 80,811,978.47 : x
  2. Step 2: Convert to fraction form
    146,892,898.34/202,712,198.43 = 80,811,978.47/x
  3. Step 3: Cross multiply
    146,892,898.34x = 202,712,198.43 × 80,811,978.47
  4. Step 4: Simplify right side
    146,892,898.34x = 16,381,573,815,131,528
  5. Step 5: Solve for x
    x = 16,381,573,815,131,528/146,892,898.34
  6. Step 6: Final answer
    x = 111,520,529.58

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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.