Home / 42,365,891.70-63,554,742.45-18,104,625.90

Finding the Fourth Proportional to 42,365,891.70, 63,554,742.45 and 18,104,625.90

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Solution

The fourth proportional to 42,365,891.70, 63,554,742.45 and 18,104,625.90 is: 27,159,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365,891.70 : 63,554,742.45 = 18,104,625.90 : x
  2. Step 2: Convert to fraction form
    42,365,891.70/63,554,742.45 = 18,104,625.90/x
  3. Step 3: Cross multiply
    42,365,891.70x = 63,554,742.45 × 18,104,625.90
  4. Step 4: Simplify right side
    42,365,891.70x = 1,150,634,836,228,099.50
  5. Step 5: Solve for x
    x = 1,150,634,836,228,099.50/42,365,891.70
  6. Step 6: Final answer
    x = 27,159,462.25

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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.