Home / 325,376,449.96-488,064,283.26-83,039,379.88

Finding the Fourth Proportional to 325,376,449.96, 488,064,283.26 and 83,039,379.88

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Solution

The fourth proportional to 325,376,449.96, 488,064,283.26 and 83,039,379.88 is: 124,558,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,376,449.96 : 488,064,283.26 = 83,039,379.88 : x
  2. Step 2: Convert to fraction form
    325,376,449.96/488,064,283.26 = 83,039,379.88/x
  3. Step 3: Cross multiply
    325,376,449.96x = 488,064,283.26 × 83,039,379.88
  4. Step 4: Simplify right side
    325,376,449.96x = 40,528,555,423,487,064
  5. Step 5: Solve for x
    x = 40,528,555,423,487,064/325,376,449.96
  6. Step 6: Final answer
    x = 124,558,969.86

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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.