Home / 56,421,391.66-84,632,087.48-45,133,584.82

Finding the Fourth Proportional to 56,421,391.66, 84,632,087.48 and 45,133,584.82

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Solution

The fourth proportional to 56,421,391.66, 84,632,087.48 and 45,133,584.82 is: 67,700,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421,391.66 : 84,632,087.48 = 45,133,584.82 : x
  2. Step 2: Convert to fraction form
    56,421,391.66/84,632,087.48 = 45,133,584.82/x
  3. Step 3: Cross multiply
    56,421,391.66x = 84,632,087.48 × 45,133,584.82
  4. Step 4: Simplify right side
    56,421,391.66x = 3,819,749,498,334,992
  5. Step 5: Solve for x
    x = 3,819,749,498,334,992/56,421,391.66
  6. Step 6: Final answer
    x = 67,700,377.22

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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.