Home / 192,456,422.40-288,750,729.60-56,161,804.80

Finding the Fourth Proportional to 192,456,422.40, 288,750,729.60 and 56,161,804.80

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Solution

The fourth proportional to 192,456,422.40, 288,750,729.60 and 56,161,804.80 is: 84,261,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,422.40 : 288,750,729.60 = 56,161,804.80 : x
  2. Step 2: Convert to fraction form
    192,456,422.40/288,750,729.60 = 56,161,804.80/x
  3. Step 3: Cross multiply
    192,456,422.40x = 288,750,729.60 × 56,161,804.80
  4. Step 4: Simplify right side
    192,456,422.40x = 16,216,762,111,652,782
  5. Step 5: Solve for x
    x = 16,216,762,111,652,782/192,456,422.40
  6. Step 6: Final answer
    x = 84,261,995.05

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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.