Home / 57,509,143.16-86,234,868.66-19,157,173.88

Finding the Fourth Proportional to 57,509,143.16, 86,234,868.66 and 19,157,173.88

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Solution

The fourth proportional to 57,509,143.16, 86,234,868.66 and 19,157,173.88 is: 28,726,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509,143.16 : 86,234,868.66 = 19,157,173.88 : x
  2. Step 2: Convert to fraction form
    57,509,143.16/86,234,868.66 = 19,157,173.88/x
  3. Step 3: Cross multiply
    57,509,143.16x = 86,234,868.66 × 19,157,173.88
  4. Step 4: Simplify right side
    57,509,143.16x = 1,652,016,373,438,582.50
  5. Step 5: Solve for x
    x = 1,652,016,373,438,582.50/57,509,143.16
  6. Step 6: Final answer
    x = 28,726,151.75

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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.