Home / 122,818,329.68-169,490,114.35-67,064,137.21

Finding the Fourth Proportional to 122,818,329.68, 169,490,114.35 and 67,064,137.21

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Solution

The fourth proportional to 122,818,329.68, 169,490,114.35 and 67,064,137.21 is: 92,548,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,818,329.68 : 169,490,114.35 = 67,064,137.21 : x
  2. Step 2: Convert to fraction form
    122,818,329.68/169,490,114.35 = 67,064,137.21/x
  3. Step 3: Cross multiply
    122,818,329.68x = 169,490,114.35 × 67,064,137.21
  4. Step 4: Simplify right side
    122,818,329.68x = 11,366,708,284,551,192
  5. Step 5: Solve for x
    x = 11,366,708,284,551,192/122,818,329.68
  6. Step 6: Final answer
    x = 92,548,956.78

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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.