Home / 286,550,965.56-429,784,457.94-140,945,443.32

Finding the Fourth Proportional to 286,550,965.56, 429,784,457.94 and 140,945,443.32

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Solution

The fourth proportional to 286,550,965.56, 429,784,457.94 and 140,945,443.32 is: 211,397,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,550,965.56 : 429,784,457.94 = 140,945,443.32 : x
  2. Step 2: Convert to fraction form
    286,550,965.56/429,784,457.94 = 140,945,443.32/x
  3. Step 3: Cross multiply
    286,550,965.56x = 429,784,457.94 × 140,945,443.32
  4. Step 4: Simplify right side
    286,550,965.56x = 60,576,160,956,399,192
  5. Step 5: Solve for x
    x = 60,576,160,956,399,192/286,550,965.56
  6. Step 6: Final answer
    x = 211,397,511.22

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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.