Home / 82,482,217.86-113,812,807.44-47,668,185

Finding the Fourth Proportional to 82,482,217.86, 113,812,807.44 and 47,668,185

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Solution

The fourth proportional to 82,482,217.86, 113,812,807.44 and 47,668,185 is: 65,774,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482,217.86 : 113,812,807.44 = 47,668,185 : x
  2. Step 2: Convert to fraction form
    82,482,217.86/113,812,807.44 = 47,668,185/x
  3. Step 3: Cross multiply
    82,482,217.86x = 113,812,807.44 × 47,668,185
  4. Step 4: Simplify right side
    82,482,217.86x = 5,425,249,960,419,296
  5. Step 5: Solve for x
    x = 5,425,249,960,419,296/82,482,217.86
  6. Step 6: Final answer
    x = 65,774,782.75

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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.