Home / 149,230,422.40-223,845,633.60-90,878,200.60

Finding the Fourth Proportional to 149,230,422.40, 223,845,633.60 and 90,878,200.60

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Solution

The fourth proportional to 149,230,422.40, 223,845,633.60 and 90,878,200.60 is: 136,317,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,230,422.40 : 223,845,633.60 = 90,878,200.60 : x
  2. Step 2: Convert to fraction form
    149,230,422.40/223,845,633.60 = 90,878,200.60/x
  3. Step 3: Cross multiply
    149,230,422.40x = 223,845,633.60 × 90,878,200.60
  4. Step 4: Simplify right side
    149,230,422.40x = 20,342,688,393,734,900
  5. Step 5: Solve for x
    x = 20,342,688,393,734,900/149,230,422.40
  6. Step 6: Final answer
    x = 136,317,300.90

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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.