Home / 168,450,657.40-252,675,986.10-77,751,393.40

Finding the Fourth Proportional to 168,450,657.40, 252,675,986.10 and 77,751,393.40

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Solution

The fourth proportional to 168,450,657.40, 252,675,986.10 and 77,751,393.40 is: 116,627,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,450,657.40 : 252,675,986.10 = 77,751,393.40 : x
  2. Step 2: Convert to fraction form
    168,450,657.40/252,675,986.10 = 77,751,393.40/x
  3. Step 3: Cross multiply
    168,450,657.40x = 252,675,986.10 × 77,751,393.40
  4. Step 4: Simplify right side
    168,450,657.40x = 19,645,909,997,994,032
  5. Step 5: Solve for x
    x = 19,645,909,997,994,032/168,450,657.40
  6. Step 6: Final answer
    x = 116,627,090.10

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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.