Home / 55,012,182.34-75,916,827.58-30,565,896.34

Finding the Fourth Proportional to 55,012,182.34, 75,916,827.58 and 30,565,896.34

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Solution

The fourth proportional to 55,012,182.34, 75,916,827.58 and 30,565,896.34 is: 42,180,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,182.34 : 75,916,827.58 = 30,565,896.34 : x
  2. Step 2: Convert to fraction form
    55,012,182.34/75,916,827.58 = 30,565,896.34/x
  3. Step 3: Cross multiply
    55,012,182.34x = 75,916,827.58 × 30,565,896.34
  4. Step 4: Simplify right side
    55,012,182.34x = 2,320,465,882,271,933
  5. Step 5: Solve for x
    x = 2,320,465,882,271,933/55,012,182.34
  6. Step 6: Final answer
    x = 42,180,945.81

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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.