Home / 118,675,285.80-178,033,027.26-40,931,080.84

Finding the Fourth Proportional to 118,675,285.80, 178,033,027.26 and 40,931,080.84

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Solution

The fourth proportional to 118,675,285.80, 178,033,027.26 and 40,931,080.84 is: 61,403,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,285.80 : 178,033,027.26 = 40,931,080.84 : x
  2. Step 2: Convert to fraction form
    118,675,285.80/178,033,027.26 = 40,931,080.84/x
  3. Step 3: Cross multiply
    118,675,285.80x = 178,033,027.26 × 40,931,080.84
  4. Step 4: Simplify right side
    118,675,285.80x = 7,287,084,230,968,984
  5. Step 5: Solve for x
    x = 7,287,084,230,968,984/118,675,285.80
  6. Step 6: Final answer
    x = 61,403,553.25

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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.