Home / 279,937,112.80-419,905,669.20-88,460,888.80

Finding the Fourth Proportional to 279,937,112.80, 419,905,669.20 and 88,460,888.80

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Solution

The fourth proportional to 279,937,112.80, 419,905,669.20 and 88,460,888.80 is: 132,691,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,112.80 : 419,905,669.20 = 88,460,888.80 : x
  2. Step 2: Convert to fraction form
    279,937,112.80/419,905,669.20 = 88,460,888.80/x
  3. Step 3: Cross multiply
    279,937,112.80x = 419,905,669.20 × 88,460,888.80
  4. Step 4: Simplify right side
    279,937,112.80x = 37,145,228,709,590,784
  5. Step 5: Solve for x
    x = 37,145,228,709,590,784/279,937,112.80
  6. Step 6: Final answer
    x = 132,691,333.20

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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.