Home / 108,235,629.09-162,380,513.85-31,558,657.31

Finding the Fourth Proportional to 108,235,629.09, 162,380,513.85 and 31,558,657.31

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Solution

The fourth proportional to 108,235,629.09, 162,380,513.85 and 31,558,657.31 is: 47,345,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,235,629.09 : 162,380,513.85 = 31,558,657.31 : x
  2. Step 2: Convert to fraction form
    108,235,629.09/162,380,513.85 = 31,558,657.31/x
  3. Step 3: Cross multiply
    108,235,629.09x = 162,380,513.85 × 31,558,657.31
  4. Step 4: Simplify right side
    108,235,629.09x = 5,124,510,990,701,465
  5. Step 5: Solve for x
    x = 5,124,510,990,701,465/108,235,629.09
  6. Step 6: Final answer
    x = 47,345,878.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.