Home / 72,354,830.90-108,532,246.35-43,657,016.90

Finding the Fourth Proportional to 72,354,830.90, 108,532,246.35 and 43,657,016.90

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Solution

The fourth proportional to 72,354,830.90, 108,532,246.35 and 43,657,016.90 is: 65,485,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,354,830.90 : 108,532,246.35 = 43,657,016.90 : x
  2. Step 2: Convert to fraction form
    72,354,830.90/108,532,246.35 = 43,657,016.90/x
  3. Step 3: Cross multiply
    72,354,830.90x = 108,532,246.35 × 43,657,016.90
  4. Step 4: Simplify right side
    72,354,830.90x = 4,738,194,113,096,913
  5. Step 5: Solve for x
    x = 4,738,194,113,096,913/72,354,830.90
  6. Step 6: Final answer
    x = 65,485,525.35

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Similar ratio
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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.