Home / 67,811,802.82-101,708,127.26-21,747,686.12

Finding the Fourth Proportional to 67,811,802.82, 101,708,127.26 and 21,747,686.12

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Solution

The fourth proportional to 67,811,802.82, 101,708,127.26 and 21,747,686.12 is: 32,618,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811,802.82 : 101,708,127.26 = 21,747,686.12 : x
  2. Step 2: Convert to fraction form
    67,811,802.82/101,708,127.26 = 21,747,686.12/x
  3. Step 3: Cross multiply
    67,811,802.82x = 101,708,127.26 × 21,747,686.12
  4. Step 4: Simplify right side
    67,811,802.82x = 2,211,916,427,503,495.75
  5. Step 5: Solve for x
    x = 2,211,916,427,503,495.75/67,811,802.82
  6. Step 6: Final answer
    x = 32,618,457.78

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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.