Home / 157,465,409.10-236,198,113.65-71,206,629.90

Finding the Fourth Proportional to 157,465,409.10, 236,198,113.65 and 71,206,629.90

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Solution

The fourth proportional to 157,465,409.10, 236,198,113.65 and 71,206,629.90 is: 106,809,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,409.10 : 236,198,113.65 = 71,206,629.90 : x
  2. Step 2: Convert to fraction form
    157,465,409.10/236,198,113.65 = 71,206,629.90/x
  3. Step 3: Cross multiply
    157,465,409.10x = 236,198,113.65 × 71,206,629.90
  4. Step 4: Simplify right side
    157,465,409.10x = 16,818,871,661,753,690
  5. Step 5: Solve for x
    x = 16,818,871,661,753,690/157,465,409.10
  6. Step 6: Final answer
    x = 106,809,944.85

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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.