Home / 72,845,333.20-109,267,999.80-36,565,627.60

Finding the Fourth Proportional to 72,845,333.20, 109,267,999.80 and 36,565,627.60

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Solution

The fourth proportional to 72,845,333.20, 109,267,999.80 and 36,565,627.60 is: 54,848,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,845,333.20 : 109,267,999.80 = 36,565,627.60 : x
  2. Step 2: Convert to fraction form
    72,845,333.20/109,267,999.80 = 36,565,627.60/x
  3. Step 3: Cross multiply
    72,845,333.20x = 109,267,999.80 × 36,565,627.60
  4. Step 4: Simplify right side
    72,845,333.20x = 3,995,452,989,283,674.50
  5. Step 5: Solve for x
    x = 3,995,452,989,283,674.50/72,845,333.20
  6. Step 6: Final answer
    x = 54,848,441.40

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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.