Home / 129,250,936.48-178,365,435.04-73,496,360.92

Finding the Fourth Proportional to 129,250,936.48, 178,365,435.04 and 73,496,360.92

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Solution

The fourth proportional to 129,250,936.48, 178,365,435.04 and 73,496,360.92 is: 101,424,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,250,936.48 : 178,365,435.04 = 73,496,360.92 : x
  2. Step 2: Convert to fraction form
    129,250,936.48/178,365,435.04 = 73,496,360.92/x
  3. Step 3: Cross multiply
    129,250,936.48x = 178,365,435.04 × 73,496,360.92
  4. Step 4: Simplify right side
    129,250,936.48x = 13,109,210,389,352,654
  5. Step 5: Solve for x
    x = 13,109,210,389,352,654/129,250,936.48
  6. Step 6: Final answer
    x = 101,424,490.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.