Home / 72,021,745.88-108,032,895.84-17,434,242.08

Finding the Fourth Proportional to 72,021,745.88, 108,032,895.84 and 17,434,242.08

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Solution

The fourth proportional to 72,021,745.88, 108,032,895.84 and 17,434,242.08 is: 26,151,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021,745.88 : 108,032,895.84 = 17,434,242.08 : x
  2. Step 2: Convert to fraction form
    72,021,745.88/108,032,895.84 = 17,434,242.08/x
  3. Step 3: Cross multiply
    72,021,745.88x = 108,032,895.84 × 17,434,242.08
  4. Step 4: Simplify right side
    72,021,745.88x = 1,883,471,658,137,820.50
  5. Step 5: Solve for x
    x = 1,883,471,658,137,820.50/72,021,745.88
  6. Step 6: Final answer
    x = 26,151,430.17

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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.