Home / 276,880,887.60-415,321,331.40-115,301,828.40

Finding the Fourth Proportional to 276,880,887.60, 415,321,331.40 and 115,301,828.40

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Solution

The fourth proportional to 276,880,887.60, 415,321,331.40 and 115,301,828.40 is: 172,952,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,880,887.60 : 415,321,331.40 = 115,301,828.40 : x
  2. Step 2: Convert to fraction form
    276,880,887.60/415,321,331.40 = 115,301,828.40/x
  3. Step 3: Cross multiply
    276,880,887.60x = 415,321,331.40 × 115,301,828.40
  4. Step 4: Simplify right side
    276,880,887.60x = 47,887,308,883,942,328
  5. Step 5: Solve for x
    x = 47,887,308,883,942,328/276,880,887.60
  6. Step 6: Final answer
    x = 172,952,742.60

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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.