Home / 81,657,497.90-122,483,622.45-27,072,602.30

Finding the Fourth Proportional to 81,657,497.90, 122,483,622.45 and 27,072,602.30

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Solution

The fourth proportional to 81,657,497.90, 122,483,622.45 and 27,072,602.30 is: 40,608,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657,497.90 : 122,483,622.45 = 27,072,602.30 : x
  2. Step 2: Convert to fraction form
    81,657,497.90/122,483,622.45 = 27,072,602.30/x
  3. Step 3: Cross multiply
    81,657,497.90x = 122,483,622.45 × 27,072,602.30
  4. Step 4: Simplify right side
    81,657,497.90x = 3,315,950,398,852,202
  5. Step 5: Solve for x
    x = 3,315,950,398,852,202/81,657,497.90
  6. Step 6: Final answer
    x = 40,608,033.36

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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.