Home / 117,689,657.27-162,407,639.18-64,761,419.03

Finding the Fourth Proportional to 117,689,657.27, 162,407,639.18 and 64,761,419.03

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Solution

The fourth proportional to 117,689,657.27, 162,407,639.18 and 64,761,419.03 is: 89,368,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,689,657.27 : 162,407,639.18 = 64,761,419.03 : x
  2. Step 2: Convert to fraction form
    117,689,657.27/162,407,639.18 = 64,761,419.03/x
  3. Step 3: Cross multiply
    117,689,657.27x = 162,407,639.18 × 64,761,419.03
  4. Step 4: Simplify right side
    117,689,657.27x = 10,517,749,173,958,892
  5. Step 5: Solve for x
    x = 10,517,749,173,958,892/117,689,657.27
  6. Step 6: Final answer
    x = 89,368,508.83

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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.