Home / 101,843,093.45-140,546,479.95-72,126,905.64

Finding the Fourth Proportional to 101,843,093.45, 140,546,479.95 and 72,126,905.64

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Solution

The fourth proportional to 101,843,093.45, 140,546,479.95 and 72,126,905.64 is: 99,537,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843,093.45 : 140,546,479.95 = 72,126,905.64 : x
  2. Step 2: Convert to fraction form
    101,843,093.45/140,546,479.95 = 72,126,905.64/x
  3. Step 3: Cross multiply
    101,843,093.45x = 140,546,479.95 × 72,126,905.64
  4. Step 4: Simplify right side
    101,843,093.45x = 10,137,182,697,260,756
  5. Step 5: Solve for x
    x = 10,137,182,697,260,756/101,843,093.45
  6. Step 6: Final answer
    x = 99,537,262.21

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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.