Home / 120,116,542.06-179,883,855.96-83,124,776.53

Finding the Fourth Proportional to 120,116,542.06, 179,883,855.96 and 83,124,776.53

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Solution

The fourth proportional to 120,116,542.06, 179,883,855.96 and 83,124,776.53 is: 124,485,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,116,542.06 : 179,883,855.96 = 83,124,776.53 : x
  2. Step 2: Convert to fraction form
    120,116,542.06/179,883,855.96 = 83,124,776.53/x
  3. Step 3: Cross multiply
    120,116,542.06x = 179,883,855.96 × 83,124,776.53
  4. Step 4: Simplify right side
    120,116,542.06x = 14,952,805,328,029,710
  5. Step 5: Solve for x
    x = 14,952,805,328,029,710/120,116,542.06
  6. Step 6: Final answer
    x = 124,485,812.46

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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.