Home / 109,481,446.76-151,068,144.57-66,494,347.03

Finding the Fourth Proportional to 109,481,446.76, 151,068,144.57 and 66,494,347.03

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Solution

The fourth proportional to 109,481,446.76, 151,068,144.57 and 66,494,347.03 is: 91,752,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481,446.76 : 151,068,144.57 = 66,494,347.03 : x
  2. Step 2: Convert to fraction form
    109,481,446.76/151,068,144.57 = 66,494,347.03/x
  3. Step 3: Cross multiply
    109,481,446.76x = 151,068,144.57 × 66,494,347.03
  4. Step 4: Simplify right side
    109,481,446.76x = 10,045,177,630,411,140
  5. Step 5: Solve for x
    x = 10,045,177,630,411,140/109,481,446.76
  6. Step 6: Final answer
    x = 91,752,328.15

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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.