Home / 231,965,482.20-347,893,285.86-86,467,346.52

Finding the Fourth Proportional to 231,965,482.20, 347,893,285.86 and 86,467,346.52

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Solution

The fourth proportional to 231,965,482.20, 347,893,285.86 and 86,467,346.52 is: 129,680,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,965,482.20 : 347,893,285.86 = 86,467,346.52 : x
  2. Step 2: Convert to fraction form
    231,965,482.20/347,893,285.86 = 86,467,346.52/x
  3. Step 3: Cross multiply
    231,965,482.20x = 347,893,285.86 × 86,467,346.52
  4. Step 4: Simplify right side
    231,965,482.20x = 30,081,409,300,438,036
  5. Step 5: Solve for x
    x = 30,081,409,300,438,036/231,965,482.20
  6. Step 6: Final answer
    x = 129,680,541.33

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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.