Home / 281,106,313.82-387,905,532.63-171,085,867.10

Finding the Fourth Proportional to 281,106,313.82, 387,905,532.63 and 171,085,867.10

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Solution

The fourth proportional to 281,106,313.82, 387,905,532.63 and 171,085,867.10 is: 236,085,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,106,313.82 : 387,905,532.63 = 171,085,867.10 : x
  2. Step 2: Convert to fraction form
    281,106,313.82/387,905,532.63 = 171,085,867.10/x
  3. Step 3: Cross multiply
    281,106,313.82x = 387,905,532.63 × 171,085,867.10
  4. Step 4: Simplify right side
    281,106,313.82x = 66,365,154,402,890,888
  5. Step 5: Solve for x
    x = 66,365,154,402,890,888/281,106,313.82
  6. Step 6: Final answer
    x = 236,085,605.84

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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.