Home / 73,457,719.70-110,186,579.55-68,978,743.70

Finding the Fourth Proportional to 73,457,719.70, 110,186,579.55 and 68,978,743.70

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Solution

The fourth proportional to 73,457,719.70, 110,186,579.55 and 68,978,743.70 is: 103,468,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,457,719.70 : 110,186,579.55 = 68,978,743.70 : x
  2. Step 2: Convert to fraction form
    73,457,719.70/110,186,579.55 = 68,978,743.70/x
  3. Step 3: Cross multiply
    73,457,719.70x = 110,186,579.55 × 68,978,743.70
  4. Step 4: Simplify right side
    73,457,719.70x = 7,600,531,829,959,111
  5. Step 5: Solve for x
    x = 7,600,531,829,959,111/73,457,719.70
  6. Step 6: Final answer
    x = 103,468,115.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.