Home / 45,407,808.12-68,132,969.82-19,845,496.02

Finding the Fourth Proportional to 45,407,808.12, 68,132,969.82 and 19,845,496.02

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Solution

The fourth proportional to 45,407,808.12, 68,132,969.82 and 19,845,496.02 is: 29,777,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407,808.12 : 68,132,969.82 = 19,845,496.02 : x
  2. Step 2: Convert to fraction form
    45,407,808.12/68,132,969.82 = 19,845,496.02/x
  3. Step 3: Cross multiply
    45,407,808.12x = 68,132,969.82 × 19,845,496.02
  4. Step 4: Simplify right side
    45,407,808.12x = 1,352,132,581,393,590
  5. Step 5: Solve for x
    x = 1,352,132,581,393,590/45,407,808.12
  6. Step 6: Final answer
    x = 29,777,534.69

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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.