Home / 81,182,931.94-121,792,309.44-23,679,703.54

Finding the Fourth Proportional to 81,182,931.94, 121,792,309.44 and 23,679,703.54

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Solution

The fourth proportional to 81,182,931.94, 121,792,309.44 and 23,679,703.54 is: 35,524,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,931.94 : 121,792,309.44 = 23,679,703.54 : x
  2. Step 2: Convert to fraction form
    81,182,931.94/121,792,309.44 = 23,679,703.54/x
  3. Step 3: Cross multiply
    81,182,931.94x = 121,792,309.44 × 23,679,703.54
  4. Step 4: Simplify right side
    81,182,931.94x = 2,884,005,780,991,143.50
  5. Step 5: Solve for x
    x = 2,884,005,780,991,143.50/81,182,931.94
  6. Step 6: Final answer
    x = 35,524,779.80

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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.