Home / 78,980,958.37-118,448,301.26-29,761,301.16

Finding the Fourth Proportional to 78,980,958.37, 118,448,301.26 and 29,761,301.16

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Solution

The fourth proportional to 78,980,958.37, 118,448,301.26 and 29,761,301.16 is: 44,633,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,980,958.37 : 118,448,301.26 = 29,761,301.16 : x
  2. Step 2: Convert to fraction form
    78,980,958.37/118,448,301.26 = 29,761,301.16/x
  3. Step 3: Cross multiply
    78,980,958.37x = 118,448,301.26 × 29,761,301.16
  4. Step 4: Simplify right side
    78,980,958.37x = 3,525,175,565,689,267.50
  5. Step 5: Solve for x
    x = 3,525,175,565,689,267.50/78,980,958.37
  6. Step 6: Final answer
    x = 44,633,233.61

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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.