Home / 96,735,742.12-133,500,939.54-72,850,619.32

Finding the Fourth Proportional to 96,735,742.12, 133,500,939.54 and 72,850,619.32

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Solution

The fourth proportional to 96,735,742.12, 133,500,939.54 and 72,850,619.32 is: 100,538,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,735,742.12 : 133,500,939.54 = 72,850,619.32 : x
  2. Step 2: Convert to fraction form
    96,735,742.12/133,500,939.54 = 72,850,619.32/x
  3. Step 3: Cross multiply
    96,735,742.12x = 133,500,939.54 × 72,850,619.32
  4. Step 4: Simplify right side
    96,735,742.12x = 9,725,626,125,290,876
  5. Step 5: Solve for x
    x = 9,725,626,125,290,876/96,735,742.12
  6. Step 6: Final answer
    x = 100,538,083.57

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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.