Home / 117,629,032.44-162,323,056.44-64,702,381.61

Finding the Fourth Proportional to 117,629,032.44, 162,323,056.44 and 64,702,381.61

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Solution

The fourth proportional to 117,629,032.44, 162,323,056.44 and 64,702,381.61 is: 89,286,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629,032.44 : 162,323,056.44 = 64,702,381.61 : x
  2. Step 2: Convert to fraction form
    117,629,032.44/162,323,056.44 = 64,702,381.61/x
  3. Step 3: Cross multiply
    117,629,032.44x = 162,323,056.44 × 64,702,381.61
  4. Step 4: Simplify right side
    117,629,032.44x = 10,502,688,341,070,832
  5. Step 5: Solve for x
    x = 10,502,688,341,070,832/117,629,032.44
  6. Step 6: Final answer
    x = 89,286,531.76

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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.