Home / 181,845,745.20-272,804,047.20-72,652,334.40

Finding the Fourth Proportional to 181,845,745.20, 272,804,047.20 and 72,652,334.40

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Solution

The fourth proportional to 181,845,745.20, 272,804,047.20 and 72,652,334.40 is: 108,992,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,845,745.20 : 272,804,047.20 = 72,652,334.40 : x
  2. Step 2: Convert to fraction form
    181,845,745.20/272,804,047.20 = 72,652,334.40/x
  3. Step 3: Cross multiply
    181,845,745.20x = 272,804,047.20 × 72,652,334.40
  4. Step 4: Simplify right side
    181,845,745.20x = 19,819,850,862,847,784
  5. Step 5: Solve for x
    x = 19,819,850,862,847,784/181,845,745.20
  6. Step 6: Final answer
    x = 108,992,656.61

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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.