Home / 112,508,166.68-169,605,520.24-105,008,621.72

Finding the Fourth Proportional to 112,508,166.68, 169,605,520.24 and 105,008,621.72

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Solution

The fourth proportional to 112,508,166.68, 169,605,520.24 and 105,008,621.72 is: 158,299,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,508,166.68 : 169,605,520.24 = 105,008,621.72 : x
  2. Step 2: Convert to fraction form
    112,508,166.68/169,605,520.24 = 105,008,621.72/x
  3. Step 3: Cross multiply
    112,508,166.68x = 169,605,520.24 × 105,008,621.72
  4. Step 4: Simplify right side
    112,508,166.68x = 17,810,041,916,505,964
  5. Step 5: Solve for x
    x = 17,810,041,916,505,964/112,508,166.68
  6. Step 6: Final answer
    x = 158,299,992.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.