Home / 149,230,412.40-223,845,618.60-90,878,190.60

Finding the Fourth Proportional to 149,230,412.40, 223,845,618.60 and 90,878,190.60

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Solution

The fourth proportional to 149,230,412.40, 223,845,618.60 and 90,878,190.60 is: 136,317,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230,412.40 : 223,845,618.60 = 90,878,190.60 : x
  2. Step 2: Convert to fraction form
    149,230,412.40/223,845,618.60 = 90,878,190.60/x
  3. Step 3: Cross multiply
    149,230,412.40x = 223,845,618.60 × 90,878,190.60
  4. Step 4: Simplify right side
    149,230,412.40x = 20,342,684,792,105,704
  5. Step 5: Solve for x
    x = 20,342,684,792,105,704/149,230,412.40
  6. Step 6: Final answer
    x = 136,317,285.90

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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.