Home / 45,139,371.72-67,611,772.43-30,485,712.33

Finding the Fourth Proportional to 45,139,371.72, 67,611,772.43 and 30,485,712.33

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Solution

The fourth proportional to 45,139,371.72, 67,611,772.43 and 30,485,712.33 is: 45,662,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,371.72 : 67,611,772.43 = 30,485,712.33 : x
  2. Step 2: Convert to fraction form
    45,139,371.72/67,611,772.43 = 30,485,712.33/x
  3. Step 3: Cross multiply
    45,139,371.72x = 67,611,772.43 × 30,485,712.33
  4. Step 4: Simplify right side
    45,139,371.72x = 2,061,193,044,580,681
  5. Step 5: Solve for x
    x = 2,061,193,044,580,681/45,139,371.72
  6. Step 6: Final answer
    x = 45,662,865.17

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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.