Home / 122,777,611.68-169,437,114.24-67,026,004.80

Finding the Fourth Proportional to 122,777,611.68, 169,437,114.24 and 67,026,004.80

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Solution

The fourth proportional to 122,777,611.68, 169,437,114.24 and 67,026,004.80 is: 92,498,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,777,611.68 : 169,437,114.24 = 67,026,004.80 : x
  2. Step 2: Convert to fraction form
    122,777,611.68/169,437,114.24 = 67,026,004.80/x
  3. Step 3: Cross multiply
    122,777,611.68x = 169,437,114.24 × 67,026,004.80
  4. Step 4: Simplify right side
    122,777,611.68x = 11,356,692,832,348,388
  5. Step 5: Solve for x
    x = 11,356,692,832,348,388/122,777,611.68
  6. Step 6: Final answer
    x = 92,498,075.81

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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.