Home / 148,940,342.06-205,539,563.50-81,967,011.18

Finding the Fourth Proportional to 148,940,342.06, 205,539,563.50 and 81,967,011.18

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Solution

The fourth proportional to 148,940,342.06, 205,539,563.50 and 81,967,011.18 is: 113,115,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,940,342.06 : 205,539,563.50 = 81,967,011.18 : x
  2. Step 2: Convert to fraction form
    148,940,342.06/205,539,563.50 = 81,967,011.18/x
  3. Step 3: Cross multiply
    148,940,342.06x = 205,539,563.50 × 81,967,011.18
  4. Step 4: Simplify right side
    148,940,342.06x = 16,847,463,699,336,822
  5. Step 5: Solve for x
    x = 16,847,463,699,336,822/148,940,342.06
  6. Step 6: Final answer
    x = 113,115,516.36

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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.