Home / 123,840,487.00-170,759,464.49-79,127,386.31

Finding the Fourth Proportional to 123,840,487.00, 170,759,464.49 and 79,127,386.31

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Solution

The fourth proportional to 123,840,487.00, 170,759,464.49 and 79,127,386.31 is: 109,106,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,840,487.00 : 170,759,464.49 = 79,127,386.31 : x
  2. Step 2: Convert to fraction form
    123,840,487.00/170,759,464.49 = 79,127,386.31/x
  3. Step 3: Cross multiply
    123,840,487.00x = 170,759,464.49 × 79,127,386.31
  4. Step 4: Simplify right side
    123,840,487.00x = 13,511,750,112,968,186
  5. Step 5: Solve for x
    x = 13,511,750,112,968,186/123,840,487.00
  6. Step 6: Final answer
    x = 109,106,080.25

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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.