Home / 84,890,237.70-127,335,356.55-27,384,384.90

Finding the Fourth Proportional to 84,890,237.70, 127,335,356.55 and 27,384,384.90

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Solution

The fourth proportional to 84,890,237.70, 127,335,356.55 and 27,384,384.90 is: 41,076,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890,237.70 : 127,335,356.55 = 27,384,384.90 : x
  2. Step 2: Convert to fraction form
    84,890,237.70/127,335,356.55 = 27,384,384.90/x
  3. Step 3: Cross multiply
    84,890,237.70x = 127,335,356.55 × 27,384,384.90
  4. Step 4: Simplify right side
    84,890,237.70x = 3,487,000,415,143,936
  5. Step 5: Solve for x
    x = 3,487,000,415,143,936/84,890,237.70
  6. Step 6: Final answer
    x = 41,076,577.35

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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.