Home / 137,892,594.12-190,293,104.52-76,015,146.96

Finding the Fourth Proportional to 137,892,594.12, 190,293,104.52 and 76,015,146.96

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Solution

The fourth proportional to 137,892,594.12, 190,293,104.52 and 76,015,146.96 is: 104,901,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,892,594.12 : 190,293,104.52 = 76,015,146.96 : x
  2. Step 2: Convert to fraction form
    137,892,594.12/190,293,104.52 = 76,015,146.96/x
  3. Step 3: Cross multiply
    137,892,594.12x = 190,293,104.52 × 76,015,146.96
  4. Step 4: Simplify right side
    137,892,594.12x = 14,465,158,305,562,440
  5. Step 5: Solve for x
    x = 14,465,158,305,562,440/137,892,594.12
  6. Step 6: Final answer
    x = 104,901,633.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.