Home / 42,123,246.66-63,208,185.03-20,558,026.98

Finding the Fourth Proportional to 42,123,246.66, 63,208,185.03 and 20,558,026.98

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Solution

The fourth proportional to 42,123,246.66, 63,208,185.03 and 20,558,026.98 is: 30,848,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,123,246.66 : 63,208,185.03 = 20,558,026.98 : x
  2. Step 2: Convert to fraction form
    42,123,246.66/63,208,185.03 = 20,558,026.98/x
  3. Step 3: Cross multiply
    42,123,246.66x = 63,208,185.03 × 20,558,026.98
  4. Step 4: Simplify right side
    42,123,246.66x = 1,299,435,573,203,572.25
  5. Step 5: Solve for x
    x = 1,299,435,573,203,572.25/42,123,246.66
  6. Step 6: Final answer
    x = 30,848,419.25

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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.