Home / 188,878,942.80-260,650,291.53-105,250,598.19

Finding the Fourth Proportional to 188,878,942.80, 260,650,291.53 and 105,250,598.19

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Solution

The fourth proportional to 188,878,942.80, 260,650,291.53 and 105,250,598.19 is: 145,244,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,878,942.80 : 260,650,291.53 = 105,250,598.19 : x
  2. Step 2: Convert to fraction form
    188,878,942.80/260,650,291.53 = 105,250,598.19/x
  3. Step 3: Cross multiply
    188,878,942.80x = 260,650,291.53 × 105,250,598.19
  4. Step 4: Simplify right side
    188,878,942.80x = 27,433,599,100,627,140
  5. Step 5: Solve for x
    x = 27,433,599,100,627,140/188,878,942.80
  6. Step 6: Final answer
    x = 145,244,349.07

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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.