Home / 58,532,357.79-87,770,832.26-21,632,145.21

Finding the Fourth Proportional to 58,532,357.79, 87,770,832.26 and 21,632,145.21

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Solution

The fourth proportional to 58,532,357.79, 87,770,832.26 and 21,632,145.21 is: 32,437,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,532,357.79 : 87,770,832.26 = 21,632,145.21 : x
  2. Step 2: Convert to fraction form
    58,532,357.79/87,770,832.26 = 21,632,145.21/x
  3. Step 3: Cross multiply
    58,532,357.79x = 87,770,832.26 × 21,632,145.21
  4. Step 4: Simplify right side
    58,532,357.79x = 1,898,671,388,542,711.75
  5. Step 5: Solve for x
    x = 1,898,671,388,542,711.75/58,532,357.79
  6. Step 6: Final answer
    x = 32,437,978.93

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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.