Home / 123,091,832.96-168,977,221.36-105,657,911.36

Finding the Fourth Proportional to 123,091,832.96, 168,977,221.36 and 105,657,911.36

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Solution

The fourth proportional to 123,091,832.96, 168,977,221.36 and 105,657,911.36 is: 145,044,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,091,832.96 : 168,977,221.36 = 105,657,911.36 : x
  2. Step 2: Convert to fraction form
    123,091,832.96/168,977,221.36 = 105,657,911.36/x
  3. Step 3: Cross multiply
    123,091,832.96x = 168,977,221.36 × 105,657,911.36
  4. Step 4: Simplify right side
    123,091,832.96x = 17,853,780,276,313,980
  5. Step 5: Solve for x
    x = 17,853,780,276,313,980/123,091,832.96
  6. Step 6: Final answer
    x = 145,044,393.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.