Home / 105,408,139.20-158,112,208.80-101,377,060.80

Finding the Fourth Proportional to 105,408,139.20, 158,112,208.80 and 101,377,060.80

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Solution

The fourth proportional to 105,408,139.20, 158,112,208.80 and 101,377,060.80 is: 152,065,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,408,139.20 : 158,112,208.80 = 101,377,060.80 : x
  2. Step 2: Convert to fraction form
    105,408,139.20/158,112,208.80 = 101,377,060.80/x
  3. Step 3: Cross multiply
    105,408,139.20x = 158,112,208.80 × 101,377,060.80
  4. Step 4: Simplify right side
    105,408,139.20x = 16,028,951,004,739,896
  5. Step 5: Solve for x
    x = 16,028,951,004,739,896/105,408,139.20
  6. Step 6: Final answer
    x = 152,065,591.20

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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.