Home / 101,043,787.44-139,434,701.49-56,988,153.12

Finding the Fourth Proportional to 101,043,787.44, 139,434,701.49 and 56,988,153.12

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Solution

The fourth proportional to 101,043,787.44, 139,434,701.49 and 56,988,153.12 is: 78,640,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,043,787.44 : 139,434,701.49 = 56,988,153.12 : x
  2. Step 2: Convert to fraction form
    101,043,787.44/139,434,701.49 = 56,988,153.12/x
  3. Step 3: Cross multiply
    101,043,787.44x = 139,434,701.49 × 56,988,153.12
  4. Step 4: Simplify right side
    101,043,787.44x = 7,946,126,118,753,612
  5. Step 5: Solve for x
    x = 7,946,126,118,753,612/101,043,787.44
  6. Step 6: Final answer
    x = 78,640,422.34

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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.