Home / 136,354,890.60-204,532,335.90-68,172,978.60

Finding the Fourth Proportional to 136,354,890.60, 204,532,335.90 and 68,172,978.60

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Solution

The fourth proportional to 136,354,890.60, 204,532,335.90 and 68,172,978.60 is: 102,259,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,354,890.60 : 204,532,335.90 = 68,172,978.60 : x
  2. Step 2: Convert to fraction form
    136,354,890.60/204,532,335.90 = 68,172,978.60/x
  3. Step 3: Cross multiply
    136,354,890.60x = 204,532,335.90 × 68,172,978.60
  4. Step 4: Simplify right side
    136,354,890.60x = 13,943,578,558,318,710
  5. Step 5: Solve for x
    x = 13,943,578,558,318,710/136,354,890.60
  6. Step 6: Final answer
    x = 102,259,467.90

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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.