Home / 123,374,237.60-170,257,449.36-68,370,999.20

Finding the Fourth Proportional to 123,374,237.60, 170,257,449.36 and 68,370,999.20

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Solution

The fourth proportional to 123,374,237.60, 170,257,449.36 and 68,370,999.20 is: 94,352,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374,237.60 : 170,257,449.36 = 68,370,999.20 : x
  2. Step 2: Convert to fraction form
    123,374,237.60/170,257,449.36 = 68,370,999.20/x
  3. Step 3: Cross multiply
    123,374,237.60x = 170,257,449.36 × 68,370,999.20
  4. Step 4: Simplify right side
    123,374,237.60x = 11,640,671,933,986,602
  5. Step 5: Solve for x
    x = 11,640,671,933,986,602/123,374,237.60
  6. Step 6: Final answer
    x = 94,352,533.89

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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.