Home / 117,422,406.40-176,161,603.20-56,788,268.80

Finding the Fourth Proportional to 117,422,406.40, 176,161,603.20 and 56,788,268.80

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Solution

The fourth proportional to 117,422,406.40, 176,161,603.20 and 56,788,268.80 is: 85,195,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,406.40 : 176,161,603.20 = 56,788,268.80 : x
  2. Step 2: Convert to fraction form
    117,422,406.40/176,161,603.20 = 56,788,268.80/x
  3. Step 3: Cross multiply
    117,422,406.40x = 176,161,603.20 × 56,788,268.80
  4. Step 4: Simplify right side
    117,422,406.40x = 10,003,912,474,760,538
  5. Step 5: Solve for x
    x = 10,003,912,474,760,538/117,422,406.40
  6. Step 6: Final answer
    x = 85,195,941.57

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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.