Home / 147,822,240.44-203,996,013.57-81,747,184.46

Finding the Fourth Proportional to 147,822,240.44, 203,996,013.57 and 81,747,184.46

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Solution

The fourth proportional to 147,822,240.44, 203,996,013.57 and 81,747,184.46 is: 112,811,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,240.44 : 203,996,013.57 = 81,747,184.46 : x
  2. Step 2: Convert to fraction form
    147,822,240.44/203,996,013.57 = 81,747,184.46/x
  3. Step 3: Cross multiply
    147,822,240.44x = 203,996,013.57 × 81,747,184.46
  4. Step 4: Simplify right side
    147,822,240.44x = 16,676,099,749,391,472
  5. Step 5: Solve for x
    x = 16,676,099,749,391,472/147,822,240.44
  6. Step 6: Final answer
    x = 112,811,845.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.