Home / 45,222,999.84-67,807,186.56-20,290,856.40

Finding the Fourth Proportional to 45,222,999.84, 67,807,186.56 and 20,290,856.40

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Solution

The fourth proportional to 45,222,999.84, 67,807,186.56 and 20,290,856.40 is: 30,424,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,222,999.84 : 67,807,186.56 = 20,290,856.40 : x
  2. Step 2: Convert to fraction form
    45,222,999.84/67,807,186.56 = 20,290,856.40/x
  3. Step 3: Cross multiply
    45,222,999.84x = 67,807,186.56 × 20,290,856.40
  4. Step 4: Simplify right side
    45,222,999.84x = 1,375,865,885,376,970
  5. Step 5: Solve for x
    x = 1,375,865,885,376,970/45,222,999.84
  6. Step 6: Final answer
    x = 30,424,029.59

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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.