Home / 78,713,092.20-118,119,404.70-46,364,932.20

Finding the Fourth Proportional to 78,713,092.20, 118,119,404.70 and 46,364,932.20

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Solution

The fourth proportional to 78,713,092.20, 118,119,404.70 and 46,364,932.20 is: 69,576,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713,092.20 : 118,119,404.70 = 46,364,932.20 : x
  2. Step 2: Convert to fraction form
    78,713,092.20/118,119,404.70 = 46,364,932.20/x
  3. Step 3: Cross multiply
    78,713,092.20x = 118,119,404.70 × 46,364,932.20
  4. Step 4: Simplify right side
    78,713,092.20x = 5,476,598,190,419,862
  5. Step 5: Solve for x
    x = 5,476,598,190,419,862/78,713,092.20
  6. Step 6: Final answer
    x = 69,576,712.56

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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.