Home / 57,473,322.30-86,233,603.05-21,099,138.30

Finding the Fourth Proportional to 57,473,322.30, 86,233,603.05 and 21,099,138.30

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Solution

The fourth proportional to 57,473,322.30, 86,233,603.05 and 21,099,138.30 is: 31,657,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473,322.30 : 86,233,603.05 = 21,099,138.30 : x
  2. Step 2: Convert to fraction form
    57,473,322.30/86,233,603.05 = 21,099,138.30/x
  3. Step 3: Cross multiply
    57,473,322.30x = 86,233,603.05 × 21,099,138.30
  4. Step 4: Simplify right side
    57,473,322.30x = 1,819,454,716,859,251.75
  5. Step 5: Solve for x
    x = 1,819,454,716,859,251.75/57,473,322.30
  6. Step 6: Final answer
    x = 31,657,378.49

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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.