Home / 72,414,232.80-108,479,631.60-43,574,701.20

Finding the Fourth Proportional to 72,414,232.80, 108,479,631.60 and 43,574,701.20

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Solution

The fourth proportional to 72,414,232.80, 108,479,631.60 and 43,574,701.20 is: 65,276,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,232.80 : 108,479,631.60 = 43,574,701.20 : x
  2. Step 2: Convert to fraction form
    72,414,232.80/108,479,631.60 = 43,574,701.20/x
  3. Step 3: Cross multiply
    72,414,232.80x = 108,479,631.60 × 43,574,701.20
  4. Step 4: Simplify right side
    72,414,232.80x = 4,726,967,533,256,078
  5. Step 5: Solve for x
    x = 4,726,967,533,256,078/72,414,232.80
  6. Step 6: Final answer
    x = 65,276,774.34

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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.