Home / 84,935,322.20-127,402,983.30-72,180,738.20

Finding the Fourth Proportional to 84,935,322.20, 127,402,983.30 and 72,180,738.20

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Solution

The fourth proportional to 84,935,322.20, 127,402,983.30 and 72,180,738.20 is: 108,271,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935,322.20 : 127,402,983.30 = 72,180,738.20 : x
  2. Step 2: Convert to fraction form
    84,935,322.20/127,402,983.30 = 72,180,738.20/x
  3. Step 3: Cross multiply
    84,935,322.20x = 127,402,983.30 × 72,180,738.20
  4. Step 4: Simplify right side
    84,935,322.20x = 9,196,041,383,476,272
  5. Step 5: Solve for x
    x = 9,196,041,383,476,272/84,935,322.20
  6. Step 6: Final answer
    x = 108,271,107.30

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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.