Home / 57,509,140.16-86,234,864.16-19,157,170.88

Finding the Fourth Proportional to 57,509,140.16, 86,234,864.16 and 19,157,170.88

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Solution

The fourth proportional to 57,509,140.16, 86,234,864.16 and 19,157,170.88 is: 28,726,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509,140.16 : 86,234,864.16 = 19,157,170.88 : x
  2. Step 2: Convert to fraction form
    57,509,140.16/86,234,864.16 = 19,157,170.88/x
  3. Step 3: Cross multiply
    57,509,140.16x = 86,234,864.16 × 19,157,170.88
  4. Step 4: Simplify right side
    57,509,140.16x = 1,652,016,028,526,707.50
  5. Step 5: Solve for x
    x = 1,652,016,028,526,707.50/57,509,140.16
  6. Step 6: Final answer
    x = 28,726,147.25

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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.