Home / 149,043,508.56-205,680,000.96-82,962,574.56

Finding the Fourth Proportional to 149,043,508.56, 205,680,000.96 and 82,962,574.56

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Solution

The fourth proportional to 149,043,508.56, 205,680,000.96 and 82,962,574.56 is: 114,488,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,043,508.56 : 205,680,000.96 = 82,962,574.56 : x
  2. Step 2: Convert to fraction form
    149,043,508.56/205,680,000.96 = 82,962,574.56/x
  3. Step 3: Cross multiply
    149,043,508.56x = 205,680,000.96 × 82,962,574.56
  4. Step 4: Simplify right side
    149,043,508.56x = 17,063,742,415,144,872
  5. Step 5: Solve for x
    x = 17,063,742,415,144,872/149,043,508.56
  6. Step 6: Final answer
    x = 114,488,330.15

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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.