Home / 281,407,755.77-388,342,739.75-155,968,050.27

Finding the Fourth Proportional to 281,407,755.77, 388,342,739.75 and 155,968,050.27

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Solution

The fourth proportional to 281,407,755.77, 388,342,739.75 and 155,968,050.27 is: 215,235,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,407,755.77 : 388,342,739.75 = 155,968,050.27 : x
  2. Step 2: Convert to fraction form
    281,407,755.77/388,342,739.75 = 155,968,050.27/x
  3. Step 3: Cross multiply
    281,407,755.77x = 388,342,739.75 × 155,968,050.27
  4. Step 4: Simplify right side
    281,407,755.77x = 60,569,059,954,537,688
  5. Step 5: Solve for x
    x = 60,569,059,954,537,688/281,407,755.77
  6. Step 6: Final answer
    x = 215,235,929.76

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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.