Home / 123,290,659.06-170,143,858.74-70,366,305.18

Finding the Fourth Proportional to 123,290,659.06, 170,143,858.74 and 70,366,305.18

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Solution

The fourth proportional to 123,290,659.06, 170,143,858.74 and 70,366,305.18 is: 97,107,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290,659.06 : 170,143,858.74 = 70,366,305.18 : x
  2. Step 2: Convert to fraction form
    123,290,659.06/170,143,858.74 = 70,366,305.18/x
  3. Step 3: Cross multiply
    123,290,659.06x = 170,143,858.74 × 70,366,305.18
  4. Step 4: Simplify right side
    123,290,659.06x = 11,972,394,688,601,652
  5. Step 5: Solve for x
    x = 11,972,394,688,601,652/123,290,659.06
  6. Step 6: Final answer
    x = 97,107,070.23

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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.