Home / 82,771,941.96-114,225,311.16-47,984,797.98

Finding the Fourth Proportional to 82,771,941.96, 114,225,311.16 and 47,984,797.98

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Solution

The fourth proportional to 82,771,941.96, 114,225,311.16 and 47,984,797.98 is: 66,219,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,771,941.96 : 114,225,311.16 = 47,984,797.98 : x
  2. Step 2: Convert to fraction form
    82,771,941.96/114,225,311.16 = 47,984,797.98/x
  3. Step 3: Cross multiply
    82,771,941.96x = 114,225,311.16 × 47,984,797.98
  4. Step 4: Simplify right side
    82,771,941.96x = 5,481,078,480,215,239
  5. Step 5: Solve for x
    x = 5,481,078,480,215,239/82,771,941.96
  6. Step 6: Final answer
    x = 66,219,039.33

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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.