Home / 308,214,537.72-462,330,221.67-89,859,602.58

Finding the Fourth Proportional to 308,214,537.72, 462,330,221.67 and 89,859,602.58

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Solution

The fourth proportional to 308,214,537.72, 462,330,221.67 and 89,859,602.58 is: 134,791,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,214,537.72 : 462,330,221.67 = 89,859,602.58 : x
  2. Step 2: Convert to fraction form
    308,214,537.72/462,330,221.67 = 89,859,602.58/x
  3. Step 3: Cross multiply
    308,214,537.72x = 462,330,221.67 × 89,859,602.58
  4. Step 4: Simplify right side
    308,214,537.72x = 41,544,809,979,989,504
  5. Step 5: Solve for x
    x = 41,544,809,979,989,504/308,214,537.72
  6. Step 6: Final answer
    x = 134,791,857.28

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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.