Home / 82,281,699.84-113,549,771.52-47,481,611.52

Finding the Fourth Proportional to 82,281,699.84, 113,549,771.52 and 47,481,611.52

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Solution

The fourth proportional to 82,281,699.84, 113,549,771.52 and 47,481,611.52 is: 65,525,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,281,699.84 : 113,549,771.52 = 47,481,611.52 : x
  2. Step 2: Convert to fraction form
    82,281,699.84/113,549,771.52 = 47,481,611.52/x
  3. Step 3: Cross multiply
    82,281,699.84x = 113,549,771.52 × 47,481,611.52
  4. Step 4: Simplify right side
    82,281,699.84x = 5,391,526,139,497,400
  5. Step 5: Solve for x
    x = 5,391,526,139,497,400/82,281,699.84
  6. Step 6: Final answer
    x = 65,525,215.81

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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.