Home / 82,510,066.88-113,857,216.80-47,704,990.40

Finding the Fourth Proportional to 82,510,066.88, 113,857,216.80 and 47,704,990.40

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Solution

The fourth proportional to 82,510,066.88, 113,857,216.80 and 47,704,990.40 is: 65,829,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,510,066.88 : 113,857,216.80 = 47,704,990.40 : x
  2. Step 2: Convert to fraction form
    82,510,066.88/113,857,216.80 = 47,704,990.40/x
  3. Step 3: Cross multiply
    82,510,066.88x = 113,857,216.80 × 47,704,990.40
  4. Step 4: Simplify right side
    82,510,066.88x = 5,431,557,434,414,718
  5. Step 5: Solve for x
    x = 5,431,557,434,414,718/82,510,066.88
  6. Step 6: Final answer
    x = 65,829,027.17

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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.